22111122122 has 8 divisors (see below), whose sum is σ = 33315413376. Its totient is φ = 11005984332.

The previous prime is 22111122113. The next prime is 22111122139. The reversal of 22111122122 is 22122111122.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22111122122.

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 3 ways as a sum of consecutive naturals, for example, 24787808 + ... + 24788699.

It is an arithmetic number, because the mean of its divisors is an integer number (4164426672).

Almost surely, 2^22111122122 is an apocalyptic number.

22111122122 is a deficient number, since it is larger than the sum of its proper divisors (11204291254).

22111122122 is a wasteful number, since it uses less digits than its factorization.

22111122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49576732.

The product of its digits is 64, while the sum is 17.

Adding to 22111122122 its reverse (22122111122), we get a palindrome (44233233244).

The spelling of 22111122122 in words is "twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".