112021131020 has 24 divisors (see below), whose sum is σ = 235955097168. Its totient is φ = 44673076800.

The previous prime is 112021131017. The next prime is 112021131043. The reversal of 112021131020 is 20131120211.

It is a junction number, because it is equal to n+sod(n) for n = 112021130986 and 112021131004.

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, 8454191 + ... + 8467430.

It is an arithmetic number, because the mean of its divisors is an integer number (9831462382).

Almost surely, 2^112021131020 is an apocalyptic number.

112021131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021131020 is an abundant number, since it is smaller than the sum of its proper divisors (123933966148).

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

112021131020 is a wasteful number, since it uses less digits than its factorization.

112021131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921961 (or 16921959 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 112021131020 its reverse (20131120211), we get a palindrome (132152251231).

The spelling of 112021131020 in words is "one hundred twelve billion, twenty-one million, one hundred thirty-one thousand, twenty".