112120201020 has 96 divisors (see below), whose sum is σ = 315825269760. Its totient is φ = 29719307520.

The previous prime is 112120201019. The next prime is 112120201043. The reversal of 112120201020 is 20102021211.

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 = 112120200987 and 112120201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8181294 + ... + 8194986.

It is an arithmetic number, because the mean of its divisors is an integer number (3289846560).

Almost surely, 2^112120201020 is an apocalyptic number.

112120201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120201020 is an abundant number, since it is smaller than the sum of its proper divisors (203705068740).

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

112120201020 is a wasteful number, since it uses less digits than its factorization.

112120201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14515 (or 14513 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112120201020 its reverse (20102021211), we get a palindrome (132222222231).

The spelling of 112120201020 in words is "one hundred twelve billion, one hundred twenty million, two hundred one thousand, twenty".