A billion and one.
a billion and one
was neanderthal named afther neander valley
In the US a trillion comes after a billion. In other countries, a billion is called a milliard and a billion would be equivalent to a trillion in US terms.
9 billion and 1.
1 billion and one
Ok first, 1 zillion is not a number, people just made that up. Second, the number that comes after on BILLION is two billion.
a billion one
1,000,000,001
The adverb or conjunction is spelled after(following).
trillion
Quadrillion