100111001120 has 96 divisors (see below), whose sum is σ = 257774674752. Its totient is φ = 36518648832.

The previous prime is 100111001099. The next prime is 100111001167. The reversal of 100111001120 is 21100111001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 100111001098 and 100111001107.

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, 117302 + ... + 462581.

It is an arithmetic number, because the mean of its divisors is an integer number (2685152862).

Almost surely, 2^100111001120 is an apocalyptic number.

100111001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111001120 is an abundant number, since it is smaller than the sum of its proper divisors (157663673632).

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

100111001120 is a wasteful number, since it uses less digits than its factorization.

100111001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579994 (or 579986 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100111001120 its reverse (21100111001), we get a palindrome (121211112121).

The spelling of 100111001120 in words is "one hundred billion, one hundred eleven million, one thousand, one hundred twenty".