22222221111112 has 64 divisors (see below), whose sum is σ = 45575582342400. Its totient is φ = 10074128064000.

The previous prime is 22222221111049. The next prime is 22222221111121. The reversal of 22222221111112 is 21111112222222.

It is a super-2 number, since 2×22222221111112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nude number because it is divisible by every one of its digits.

It is a pancake number, because a pancake can be divided into 22222221111112 parts by 6666666 straight cuts.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 112509562 + ... + 112706902.

It is an arithmetic number, because the mean of its divisors is an integer number (712118474100).

Almost surely, 2^{22222221111112} is an apocalyptic number.

22222221111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22222221111112 is an abundant number, since it is smaller than the sum of its proper divisors (23353361231288).

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

22222221111112 is a wasteful number, since it uses less digits than its factorization.

22222221111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200758 (or 200754 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

Adding to 22222221111112 its reverse (21111112222222), we get a palindrome (43333333333334).

The spelling of 22222221111112 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twelve".