112011121020 has 48 divisors (see below), whose sum is σ = 327267279360. Its totient is φ = 28570952256.

The previous prime is 112011121003. The next prime is 112011121063. The reversal of 112011121020 is 20121110211.

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 = 112011120987 and 112011121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40582360 + ... + 40585119.

It is an arithmetic number, because the mean of its divisors is an integer number (6818068320).

Almost surely, 2^112011121020 is an apocalyptic number.

112011121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112011121020 is an abundant number, since it is smaller than the sum of its proper divisors (215256158340).

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

112011121020 is a wasteful number, since it uses less digits than its factorization.

112011121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81167514 (or 81167512 counting only the distinct ones).

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

Adding to 112011121020 its reverse (20121110211), we get a palindrome (132132231231).

The spelling of 112011121020 in words is "one hundred twelve billion, eleven million, one hundred twenty-one thousand, twenty".