22111010121112 has 64 divisors (see below), whose sum is σ = 45324628531200. Its totient is φ = 10028792759040.

The previous prime is 22111010121071. The next prime is 22111010121127. The reversal of 22111010121112 is 21112101011122.

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, 127246273 + ... + 127419919.

It is an arithmetic number, because the mean of its divisors is an integer number (708197320800).

Almost surely, 2^{22111010121112} is an apocalyptic number.

22111010121112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22111010121112 is an abundant number, since it is smaller than the sum of its proper divisors (23213618410088).

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

22111010121112 is a wasteful number, since it uses less digits than its factorization.

22111010121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176776 (or 176772 counting only the distinct ones).

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

Adding to 22111010121112 its reverse (21112101011122), we get a palindrome (43223111132234).

The spelling of 22111010121112 in words is "twenty-two trillion, one hundred eleven billion, ten million, one hundred twenty-one thousand, one hundred twelve".