112231131021 has 12 divisors (see below), whose sum is σ = 163349128800. Its totient is φ = 74249602440.

The previous prime is 112231130959. The next prime is 112231131041. The reversal of 112231131021 is 120131132211.

112231131021 is a `hidden beast` number, since 1 + 1 + 22 + 311 + 310 + 21 = 666.

It is not a de Polignac number, because 112231131021 - 2¹¹ = 112231128973 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112231130985 and 112231131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112231131041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47594721 + ... + 47597078.

It is an arithmetic number, because the mean of its divisors is an integer number (13612427400).

Almost surely, 2^112231131021 is an apocalyptic number.

It is an amenable number.

112231131021 is a deficient number, since it is larger than the sum of its proper divisors (51117997779).

112231131021 is a wasteful number, since it uses less digits than its factorization.

112231131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95191936 (or 95191933 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 112231131021 its reverse (120131132211), we get a palindrome (232362263232).

The spelling of 112231131021 in words is "one hundred twelve billion, two hundred thirty-one million, one hundred thirty-one thousand, twenty-one".