22222211120112 has 40 divisors (see below), whose sum is σ = 57414545789440. Its totient is φ = 7406478924480.

The previous prime is 22222211120099. The next prime is 22222211120147. The reversal of 22222211120112 is 21102111222222.

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, 28510912 + ... + 29279967.

It is an arithmetic number, because the mean of its divisors is an integer number (1435363644736).

Almost surely, 2^{22222211120112} is an apocalyptic number.

It is an amenable number.

22222211120112 is an abundant number, since it is smaller than the sum of its proper divisors (35192334669328).

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

22222211120112 is a wasteful number, since it uses less digits than its factorization.

22222211120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57798901 (or 57798895 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22222211120112 its reverse (21102111222222), we get a palindrome (43324322342334).

The spelling of 22222211120112 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, one hundred twelve".