112021000021021 has 32 divisors (see below), whose sum is σ = 138078038907648. Its totient is φ = 88499618081280.

The previous prime is 112021000021013. The next prime is 112021000021033. The reversal of 112021000021021 is 120120000120211.

It is not a de Polignac number, because 112021000021021 - 2³ = 112021000021013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 112021000020992 and 112021000021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021000021321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226644441 + ... + 227138161.

It is an arithmetic number, because the mean of its divisors is an integer number (4314938715864).

Almost surely, 2^{112021000021021} is an apocalyptic number.

It is an amenable number.

112021000021021 is a deficient number, since it is larger than the sum of its proper divisors (26057038886627).

112021000021021 is a wasteful number, since it uses less digits than its factorization.

112021000021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497461.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112021000021021 its reverse (120120000120211), we get a palindrome (232141000141232).

The spelling of 112021000021021 in words is "one hundred twelve trillion, twenty-one billion, twenty-one thousand, twenty-one".