100120110992 has 80 divisors (see below), whose sum is σ = 220952679552. Its totient is φ = 43503989760.

The previous prime is 100120110989. The next prime is 100120111001. The reversal of 100120110992 is 299011021001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7591508 + ... + 7604684.

Almost surely, 2^100120110992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100120110992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110476339776).

100120110992 is an abundant number, since it is smaller than the sum of its proper divisors (120832568560).

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

100120110992 is a wasteful number, since it uses less digits than its factorization.

100120110992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15096 (or 15090 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

Adding to 100120110992 its reverse (299011021001), we get a palindrome (399131131993).

It can be divided in two parts, 100120 and 110992, that added together give a palindrome (211112).

The spelling of 100120110992 in words is "one hundred billion, one hundred twenty million, one hundred ten thousand, nine hundred ninety-two".