22001012101112 has 64 divisors (see below), whose sum is σ = 45324197775360. Its totient is φ = 9929076422400.

The previous prime is 22001012101109. The next prime is 22001012101177. The reversal of 22001012101112 is 21110121010022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7539188 + ... + 10041980.

It is an arithmetic number, because the mean of its divisors is an integer number (708190590240).

Almost surely, 2^{22001012101112} is an apocalyptic number.

22001012101112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22001012101112 is an abundant number, since it is smaller than the sum of its proper divisors (23323185674248).

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

22001012101112 is a wasteful number, since it uses less digits than its factorization.

22001012101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503524 (or 2503520 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22001012101112 its reverse (21110121010022), we get a palindrome (43111133111134).

The spelling of 22001012101112 in words is "twenty-two trillion, one billion, twelve million, one hundred one thousand, one hundred twelve".