22221102112112 has 40 divisors (see below), whose sum is σ = 44565999022080. Its totient is φ = 10722195829440.

The previous prime is 22221102112003. The next prime is 22221102112141. The reversal of 22221102112112 is 21121120112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62218328 + ... + 62574455.

It is an arithmetic number, because the mean of its divisors is an integer number (1114149975552).

Almost surely, 2^{22221102112112} is an apocalyptic number.

It is an amenable number.

22221102112112 is an abundant number, since it is smaller than the sum of its proper divisors (22344896909968).

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

22221102112112 is a wasteful number, since it uses less digits than its factorization.

22221102112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124793181 (or 124793175 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22221102112112 its reverse (21121120112222), we get a palindrome (43342222224334).

The spelling of 22221102112112 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred two million, one hundred twelve thousand, one hundred twelve".