112120111020 has 24 divisors (see below), whose sum is σ = 313936311024. Its totient is φ = 29898696256.

The previous prime is 112120110937. The next prime is 112120111111. The reversal of 112120111020 is 20111021211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112120110987 and 112120111005.

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, 934334199 + ... + 934334318.

It is an arithmetic number, because the mean of its divisors is an integer number (13080679626).

Almost surely, 2^112120111020 is an apocalyptic number.

112120111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120111020 is an abundant number, since it is smaller than the sum of its proper divisors (201816200004).

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

112120111020 is a wasteful number, since it uses less digits than its factorization.

112120111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868668529 (or 1868668527 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112120111020 its reverse (20111021211), we get a palindrome (132231132231).

The spelling of 112120111020 in words is "one hundred twelve billion, one hundred twenty million, one hundred eleven thousand, twenty".