A kazillion is not a 'real' number it is a word to denote a very large amount. But if it were real there would be a kazillion zeros in it.
Kazillion is slang. There is no specified number of zeros, it just means a large number.
The answer is kazillion. Most of the time it is thought that a zillion is the answer.
kazillion
Kazillion is a word that means very large.
5 kazillion
how many zeros in one billion
Seven zeros.
900 kazillion
12 zeros.12 zeros.12 zeros.12 zeros.
33 zeros
there are 21 zeros