111112010020120 has 32 divisors (see below), whose sum is σ = 250009263069120. Its totient is φ = 44443516803840.

The previous prime is 111112010020103. The next prime is 111112010020133. The reversal of 111112010020120 is 21020010211111.

It is a happy number.

It is a super-2 number, since 2×111112010020120² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111112010020120.

It is a congruent number.

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, 38826141 + ... + 41589580.

It is an arithmetic number, because the mean of its divisors is an integer number (7812789470910).

Almost surely, 2^{111112010020120} is an apocalyptic number.

111112010020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111112010020120 is an abundant number, since it is smaller than the sum of its proper divisors (138897253049000).

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

111112010020120 is a wasteful number, since it uses less digits than its factorization.

111112010020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80450275 (or 80450271 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111112010020120 its reverse (21020010211111), we get a palindrome (132132020231231).

The spelling of 111112010020120 in words is "one hundred eleven trillion, one hundred twelve billion, ten million, twenty thousand, one hundred twenty".