22102012011112 has 64 divisors (see below), whose sum is σ = 46952208446400. Its totient is φ = 9665015754240.

The previous prime is 22102012011109. The next prime is 22102012011127. The reversal of 22102012011112 is 21111021020122.

It is a super-2 number, since 2×22102012011112² (a number of 27 digits) contains 22 as substring.

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, 37845538 + ... + 38425105.

It is an arithmetic number, because the mean of its divisors is an integer number (733628256975).

Almost surely, 2^{22102012011112} is an apocalyptic number.

22102012011112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22102012011112 is an abundant number, since it is smaller than the sum of its proper divisors (24850196435288).

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

22102012011112 is a wasteful number, since it uses less digits than its factorization.

22102012011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76270786 (or 76270782 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22102012011112 its reverse (21111021020122), we get a palindrome (43213033031234).

The spelling of 22102012011112 in words is "twenty-two trillion, one hundred two billion, twelve million, eleven thousand, one hundred twelve".