112000021200021 has 32 divisors (see below), whose sum is σ = 151705125641088. Its totient is φ = 73482912645120.

The previous prime is 112000021200017. The next prime is 112000021200029. The reversal of 112000021200021 is 120002120000211.

It is not a de Polignac number, because 112000021200021 - 2² = 112000021200017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112000021200029) 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, 3843895965 + ... + 3843925101.

It is an arithmetic number, because the mean of its divisors is an integer number (4740785176284).

Almost surely, 2^{112000021200021} is an apocalyptic number.

It is an amenable number.

112000021200021 is a deficient number, since it is larger than the sum of its proper divisors (39705104441067).

112000021200021 is a wasteful number, since it uses less digits than its factorization.

112000021200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46581.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112000021200021 its reverse (120002120000211), we get a palindrome (232002141200232).

The spelling of 112000021200021 in words is "one hundred twelve trillion, twenty-one million, two hundred thousand, twenty-one".