100110090980 has 24 divisors (see below), whose sum is σ = 210311511480. Its totient is φ = 40028737280.

The previous prime is 100110090979. The next prime is 100110091007. The reversal of 100110090980 is 89090011001.

It can be written as a sum of positive squares in 4 ways, for example, as 2020862116 + 98089228864 = 44954^2 + 313192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902465 + ... + 1007304.

It is an arithmetic number, because the mean of its divisors is an integer number (8762979645).

Almost surely, 2^100110090980 is an apocalyptic number.

100110090980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100110090980 is an abundant number, since it is smaller than the sum of its proper divisors (110201420500).

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

100110090980 is a wasteful number, since it uses less digits than its factorization.

100110090980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912399 (or 1912397 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 100110090980 in words is "one hundred billion, one hundred ten million, ninety thousand, nine hundred eighty".