22221202021112 has 16 divisors (see below), whose sum is σ = 41666363539200. Its totient is φ = 11110171744000.

The previous prime is 22221202021111. The next prime is 22221202021133. The reversal of 22221202021112 is 21112020212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221202021111) 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, 53438264 + ... + 53852487.

It is an arithmetic number, because the mean of its divisors is an integer number (2604147721200).

Almost surely, 2^{22221202021112} is an apocalyptic number.

It is an amenable number.

22221202021112 is a deficient number, since it is larger than the sum of its proper divisors (19445161518088).

22221202021112 is a wasteful number, since it uses less digits than its factorization.

22221202021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107316646 (or 107316642 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221202021112 its reverse (21112020212222), we get a palindrome (43333222233334).

The spelling of 22221202021112 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred two million, twenty-one thousand, one hundred twelve".