112212021009 has 16 divisors (see below), whose sum is σ = 164833504704. Its totient is φ = 67333944000.

The previous prime is 112212020933. The next prime is 112212021043. The reversal of 112212021009 is 900120212211.

It is not a de Polignac number, because 112212021009 - 2²⁵ = 112178466577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112212021049) 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, 16830154 + ... + 16836819.

It is an arithmetic number, because the mean of its divisors is an integer number (10302094044).

Almost surely, 2^112212021009 is an apocalyptic number.

It is an amenable number.

112212021009 is a deficient number, since it is larger than the sum of its proper divisors (52621483695).

112212021009 is a wasteful number, since it uses less digits than its factorization.

112212021009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33667088.

The product of its (nonzero) digits is 144, while the sum is 21.

It can be divided in two parts, 11221202 and 1009, that added together give a palindrome (11222211).

The spelling of 112212021009 in words is "one hundred twelve billion, two hundred twelve million, twenty-one thousand, nine".