10100991100 has 18 divisors (see below), whose sum is σ = 21919150904. Its totient is φ = 4040396400.

The previous prime is 10100991097. The next prime is 10100991119. The reversal of 10100991100 is 119900101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50504856 + ... + 50505055.

Almost surely, 2^10100991100 is an apocalyptic number.

10100991100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100991100 is an abundant number, since it is smaller than the sum of its proper divisors (11818159804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10100991100 is a wasteful number, since it uses less digits than its factorization.

10100991100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101009925 (or 101009918 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 10100991100 in words is "ten billion, one hundred million, nine hundred ninety-one thousand, one hundred".