First, we need to define what we mean by “trillion zillion.” The term “zillion” is not an actual number and has no specific value. It is a colloquial term used to refer to an extremely large or indefinite number. Therefore, “trillion zillion” could refer to any number that is extremely large and indeterminate.

In the United States, a trillion is defined as a number equivalent to one thousand billion, which is written as 1,000,000,000,000. In scientific notation, a trillion is expressed as 1 x 10^12.
Now, let’s consider the number of zeros in 1 trillion. To determine this, we need to count the number of factors of 10 in 1 trillion. Since 10 = 2 x 5, we need to count the number of factors of 2 and 5 in 1 trillion.
We know that every even number has a factor of 2, so we can count the number of factors of 2 by dividing 1 trillion by 2 repeatedly until we get an odd number.
1 trillion divided by 2 is 500 billion (500,000,000,000), which has one factor of 2. We can divide 500 billion by 2 again to get 250 billion (250,000,000,000), which also has one factor of 2. We can continue this process until we get an odd number.
After repeating this process 11 times, we get 1953125, which is an odd number. Therefore, there are 11 factors of 2 in 1 trillion.
Similarly, we can count the number of factors of 5 by dividing 1 trillion by 5 repeatedly until we get a number that is not divisible by 5.
1 trillion divided by 5 is 200 billion (200,000,000,000), which has one factor of 5. We can divide 200 billion by 5 again to get 40 billion (40,000,000,000), which has one more factor of 5. We can continue this process until we get a number that is not divisible by 5.
After repeating this process 12 times, we get 78125, which is not divisible by 5. Therefore, there are 12 factors of 5 in 1 trillion.
Since the number of factors of 2 in 1 trillion is less than the number of factors of 5, the number of zeros in 1 trillion is equal to the number of factors of 2, which is 11.
Now, let’s consider the number of zeros in “trillion zillion.” As we mentioned earlier, “zillion” has no specific value, so we cannot determine the number of zeros in “trillion zillion.” We can only say that it is an extremely large and indeterminate number.
In conclusion, the number of zeros in 1 trillion is 11. However, the number of zeros in “trillion zillion” cannot be determined as “zillion” is not an actual number and has no specific value.