100111202002120 has 32 divisors (see below), whose sum is σ = 225275319617400. Its totient is φ = 40040015891968.

The previous prime is 100111202002093. The next prime is 100111202002183. The reversal of 100111202002120 is 21200202111001.

It can be written as a sum of positive squares in 4 ways, for example, as 57918096835236 + 42193105166884 = 7610394^2 + 6495622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100111202002120.

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, 139165159 + ... + 139882678.

Almost surely, 2^{100111202002120} is an apocalyptic number.

100111202002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111202002120 is an abundant number, since it is smaller than the sum of its proper divisors (125164117615280).

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

100111202002120 is a wasteful number, since it uses less digits than its factorization.

100111202002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279056817 (or 279056813 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100111202002120 its reverse (21200202111001), we get a palindrome (121311404113121).

The spelling of 100111202002120 in words is "one hundred trillion, one hundred eleven billion, two hundred two million, two thousand, one hundred twenty".