What is the smallest number that can be written using three different

Question

digits, which has the millions period as its last period?

Answer 1

smallest number with 3 different digits:
100000...000002
assuming leading zeroes do not count.

Add enough zeroes in the middle to satisfy the minimum number of digits.

Example:
1,002 in the thousands
1,000,002 in the millions,
etc.

Answer 2

What is the greatest number, which has the billions period as its last
period? Write this number in words too