112212110521 has 16 divisors (see below), whose sum is σ = 129047040000. Its totient is φ = 95579075088.

The previous prime is 112212110519. The next prime is 112212110539. The reversal of 112212110521 is 125011212211.

It is not a de Polignac number, because 112212110521 - 2¹ = 112212110519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212110321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848376 + ... + 1908118.

It is an arithmetic number, because the mean of its divisors is an integer number (8065440000).

Almost surely, 2^112212110521 is an apocalyptic number.

It is an amenable number.

112212110521 is a deficient number, since it is larger than the sum of its proper divisors (16834929479).

112212110521 is a wasteful number, since it uses less digits than its factorization.

112212110521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61428.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 112212110521 its reverse (125011212211), we get a palindrome (237223322732).

The spelling of 112212110521 in words is "one hundred twelve billion, two hundred twelve million, one hundred ten thousand, five hundred twenty-one".