100120111020200 has 48 divisors (see below), whose sum is σ = 232786645535580. Its totient is φ = 40046773455360.

The previous prime is 100120111020187. The next prime is 100120111020257. The reversal of 100120111020200 is 2020111021001.

It can be written as a sum of positive squares in 6 ways, for example, as 10928670669316 + 89191440350884 = 3305854^2 + 9444122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1613069 + ... + 14242268.

Almost surely, 2^{100120111020200} is an apocalyptic number.

100120111020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120111020200 is an abundant number, since it is smaller than the sum of its proper divisors (132666534515380).

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

100120111020200 is a wasteful number, since it uses less digits than its factorization.

100120111020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15886926 (or 15886917 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100120111020200 its reverse (2020111021001), we get a palindrome (102140222041201).

The spelling of 100120111020200 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, twenty thousand, two hundred".