It is a happy number.
It is an ABA number since it can be written as A⋅BA, here for A=10, B=10.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
Almost surely, 2100000000000 is an apocalyptic number.
100000000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 100000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124969481910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100000000000 is an frugal number, since it uses more digits than its factorization.
100000000000 is an odious number, because the sum of its binary digits is odd.
The spelling of 100000000000 in words is "one hundred billion", and thus it is an aban number.