22001022112112 has 20 divisors (see below), whose sum is σ = 42814764403656. Its totient is φ = 10952050653120.

The previous prime is 22001022112109. The next prime is 22001022112133. The reversal of 22001022112112 is 21121122010022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028771439 + ... + 3028778702.

Almost surely, 2^{22001022112112} is an apocalyptic number.

It is an amenable number.

22001022112112 is a deficient number, since it is larger than the sum of its proper divisors (20813742291544).

22001022112112 is a wasteful number, since it uses less digits than its factorization.

22001022112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057550376 (or 6057550370 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22001022112112 its reverse (21121122010022), we get a palindrome (43122144122134).

The spelling of 22001022112112 in words is "twenty-two trillion, one billion, twenty-two million, one hundred twelve thousand, one hundred twelve".