2021112112112 has 40 divisors (see below), whose sum is σ = 3921724743552. Its totient is φ = 1009055232000.

The previous prime is 2021112112067. The next prime is 2021112112127. The reversal of 2021112112112 is 2112112111202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30077912 + ... + 30145032.

Almost surely, 2^{2021112112112} is an apocalyptic number.

It is an amenable number.

2021112112112 is a deficient number, since it is larger than the sum of its proper divisors (1900612631440).

2021112112112 is a wasteful number, since it uses less digits than its factorization.

2021112112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69897 (or 69891 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2021112112112 its reverse (2112112111202), we get a palindrome (4133224223314).

The spelling of 2021112112112 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand, one hundred twelve".