22112021012112 has 60 divisors (see below), whose sum is σ = 61888869757260. Its totient is φ = 7369968313344.

The previous prime is 22112021012093. The next prime is 22112021012149. The reversal of 22112021012112 is 21121012021122.

22112021012112 is a `hidden beast` number, since 221 + 1 + 20 + 210 + 1 + 211 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10475217063936 + 11636803948176 = 3236544^2 + 3411276^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5836437 + ... + 8848052.

It is an arithmetic number, because the mean of its divisors is an integer number (1031481162621).

Almost surely, 2^{22112021012112} is an apocalyptic number.

It is an amenable number.

22112021012112 is an abundant number, since it is smaller than the sum of its proper divisors (39776848745148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22112021012112 is a wasteful number, since it uses less digits than its factorization.

22112021012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14694960 (or 14694951 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22112021012112 its reverse (21121012021122), we get a palindrome (43233033033234).

The spelling of 22112021012112 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, twelve thousand, one hundred twelve".