111112130120 has 32 divisors (see below), whose sum is σ = 250011991800. Its totient is φ = 44443127808.

The previous prime is 111112130119. The next prime is 111112130159. The reversal of 111112130120 is 21031211111.

It can be written as a sum of positive squares in 4 ways, for example, as 110706591076 + 405539044 = 332726^2 + 20138^2 .

It is a super-2 number, since 2×111112130120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111112130095 and 111112130104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674536 + ... + 1739624.

Almost surely, 2^111112130120 is an apocalyptic number.

111112130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111112130120 is an abundant number, since it is smaller than the sum of its proper divisors (138899861680).

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

111112130120 is a wasteful number, since it uses less digits than its factorization.

111112130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107777 (or 107773 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111112130120 its reverse (21031211111), we get a palindrome (132143341231).

The spelling of 111112130120 in words is "one hundred eleven billion, one hundred twelve million, one hundred thirty thousand, one hundred twenty".