22112021220112 has 20 divisors (see below), whose sum is σ = 42849355968796. Its totient is φ = 11054122905600.

The previous prime is 22112021220049. The next prime is 22112021220137. The reversal of 22112021220112 is 21102212021122.

It can be written as a sum of positive squares in 2 ways, for example, as 21478812706576 + 633208513536 = 4634524^2 + 795744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22112021220112.

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 3 ways as a sum of consecutive naturals, for example, 117884889 + ... + 118072312.

Almost surely, 2^{22112021220112} is an apocalyptic number.

It is an amenable number.

22112021220112 is a deficient number, since it is larger than the sum of its proper divisors (20737334748684).

22112021220112 is a wasteful number, since it uses less digits than its factorization.

22112021220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235963066 (or 235963060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22112021220112 its reverse (21102212021122), we get a palindrome (43214233241234).

The spelling of 22112021220112 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, two hundred twenty thousand, one hundred twelve".