22011100021112 has 192 divisors, whose sum is σ = 45027118080000. Its totient is φ = 10075488192000.

The previous prime is 22011100021111. The next prime is 22011100021117. The reversal of 22011100021112 is 21112000111022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011100021111) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4734585764 + ... + 4734590412.

It is an arithmetic number, because the mean of its divisors is an integer number (234516240000).

Almost surely, 2^{22011100021112} is an apocalyptic number.

It is an amenable number.

22011100021112 is an abundant number, since it is smaller than the sum of its proper divisors (23016018058888).

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

22011100021112 is a wasteful number, since it uses less digits than its factorization.

22011100021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5095 counting only the distinct ones).

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

Adding to 22011100021112 its reverse (21112000111022), we get a palindrome (43123100132134).

The spelling of 22011100021112 in words is "twenty-two trillion, eleven billion, one hundred million, twenty-one thousand, one hundred twelve".