22202112221112 has 64 divisors (see below), whose sum is σ = 55534024465920. Its totient is φ = 7396872605568.

The previous prime is 22202112221099. The next prime is 22202112221117. The reversal of 22202112221112 is 21112221120222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202112221117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383778573 + ... + 383836419.

It is an arithmetic number, because the mean of its divisors is an integer number (867719132280).

Almost surely, 2^{22202112221112} is an apocalyptic number.

It is an amenable number.

22202112221112 is an abundant number, since it is smaller than the sum of its proper divisors (33331912244808).

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

22202112221112 is a wasteful number, since it uses less digits than its factorization.

22202112221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65860 (or 65856 counting only the distinct ones).

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

Adding to 22202112221112 its reverse (21112221120222), we get a palindrome (43314333341334).

The spelling of 22202112221112 in words is "twenty-two trillion, two hundred two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".