22201012112112 has 40 divisors (see below), whose sum is σ = 63725127360080. Its totient is φ = 7400337370560.

The previous prime is 22201012112093. The next prime is 22201012112159. The reversal of 22201012112112 is 21121121010222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25695615439 + ... + 25695616302.

It is an arithmetic number, because the mean of its divisors is an integer number (1593128184002).

Almost surely, 2^{22201012112112} is an apocalyptic number.

It is an amenable number.

22201012112112 is an abundant number, since it is smaller than the sum of its proper divisors (41524115247968).

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

22201012112112 is a wasteful number, since it uses less digits than its factorization.

22201012112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51391231758 (or 51391231746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22201012112112 its reverse (21121121010222), we get a palindrome (43322133122334).

The spelling of 22201012112112 in words is "twenty-two trillion, two hundred one billion, twelve million, one hundred twelve thousand, one hundred twelve".