112203231021 has 32 divisors (see below), whose sum is σ = 190503014400. Its totient is φ = 63937496880.

The previous prime is 112203231013. The next prime is 112203231043. The reversal of 112203231021 is 120132302211.

It is not a de Polignac number, because 112203231021 - 2³ = 112203231013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112203230985 and 112203231003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112203241021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758985 + ... + 894686.

It is an arithmetic number, because the mean of its divisors is an integer number (5953219200).

Almost surely, 2^112203231021 is an apocalyptic number.

It is an amenable number.

112203231021 is a deficient number, since it is larger than the sum of its proper divisors (78299783379).

112203231021 is a wasteful number, since it uses less digits than its factorization.

112203231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654046 (or 1654040 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112203231021 its reverse (120132302211), we get a palindrome (232335533232).

The spelling of 112203231021 in words is "one hundred twelve billion, two hundred three million, two hundred thirty-one thousand, twenty-one".