111112222010120 has 32 divisors (see below), whose sum is σ = 250025845570200. Its totient is φ = 44440738395648.

The previous prime is 111112222010113. The next prime is 111112222010149. The reversal of 111112222010120 is 21010222211111.

It can be written as a sum of positive squares in 4 ways, for example, as 111112217196484 + 4813636 = 10540978^2 + 2194^2 .

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, 129266549 + ... + 130123268.

Almost surely, 2^{111112222010120} is an apocalyptic number.

111112222010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111112222010120 is an abundant number, since it is smaller than the sum of its proper divisors (138913623560080).

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

111112222010120 is a wasteful number, since it uses less digits than its factorization.

111112222010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259400537 (or 259400533 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111112222010120 its reverse (21010222211111), we get a palindrome (132122444221231).

The spelling of 111112222010120 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twenty-two million, ten thousand, one hundred twenty".