100120112 has 10 divisors (see below), whose sum is σ = 193982748. Its totient is φ = 50060048.

The previous prime is 100120091. The next prime is 100120159. The reversal of 100120112 is 211021001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100120112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128738 + ... + 3128769.

Almost surely, 2^100120112 is an apocalyptic number.

It is an amenable number.

100120112 is a deficient number, since it is larger than the sum of its proper divisors (93862636).

100120112 is an equidigital number, since it uses as much as digits as its factorization.

100120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257515 (or 6257509 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 100120112 is about 10006.0037977206. The cubic root of 100120112 is about 464.3446458461.

Adding to 100120112 its reverse (211021001), we get a palindrome (311141113).

The spelling of 100120112 in words is "one hundred million, one hundred twenty thousand, one hundred twelve".