22021110222112 has 24 divisors (see below), whose sum is σ = 43354165680000. Its totient is φ = 11010528462144.

The previous prime is 22021110222049. The next prime is 22021110222119. The reversal of 22021110222112 is 21122201112022.

It is a self number, because there is not a number n which added to its sum of digits gives 22021110222112.

It is not an unprimeable number, because it can be changed into a prime (22021110222119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23852889 + ... + 24758887.

It is an arithmetic number, because the mean of its divisors is an integer number (1806423570000).

Almost surely, 2^{22021110222112} is an apocalyptic number.

It is an amenable number.

22021110222112 is a deficient number, since it is larger than the sum of its proper divisors (21333055457888).

22021110222112 is an equidigital number, since it uses as much as digits as its factorization.

22021110222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665568 (or 1665560 counting only the distinct ones).

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

Adding to 22021110222112 its reverse (21122201112022), we get a palindrome (43143311334134).

The spelling of 22021110222112 in words is "twenty-two trillion, twenty-one billion, one hundred ten million, two hundred twenty-two thousand, one hundred twelve".