No. It is an expression to indicate a very large number.
"zillion" is not a number
zillion and one
zillion and one.
There is no such thing as the number "zillion".
There is no such number as "zillion".
There is no such thing as the number "zillion". It is used only in slang term, as meaning "many". There is no definite number for zillion, because technically there isn't a 'zillion'.
There is no number called "zillion".
Zillion is a made-up word. There is no such number.
You don't. There is no such number as 'zillion'
None. A zillion is not a real number.
A zillion is an undetermined number.
A "zillion" isn't a number.