22221110022112 has 24 divisors (see below), whose sum is σ = 43755886719216. Its totient is φ = 11108503871232.

The previous prime is 22221110022079. The next prime is 22221110022121. The reversal of 22221110022112 is 21122001112222.

It is a super-2 number, since 2×22221110022112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22221110022112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63922068 + ... + 64268755.

It is an arithmetic number, because the mean of its divisors is an integer number (1823161946634).

Almost surely, 2^{22221110022112} is an apocalyptic number.

It is an amenable number.

22221110022112 is a deficient number, since it is larger than the sum of its proper divisors (21534776697104).

22221110022112 is a wasteful number, since it uses less digits than its factorization.

22221110022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128196250 (or 128196242 counting only the distinct ones).

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

Adding to 22221110022112 its reverse (21122001112222), we get a palindrome (43343111134334).

The spelling of 22221110022112 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred ten million, twenty-two thousand, one hundred twelve".