122111112122 has 16 divisors (see below), whose sum is σ = 192815224800. Its totient is φ = 57839644080.

The previous prime is 122111112119. The next prime is 122111112133. The reversal of 122111112122 is 221211111221.

It is a super-2 number, since 2×122111112122² (a number of 23 digits) contains 22 as substring.

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 122111112122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091972 + ... + 1198592.

It is an arithmetic number, because the mean of its divisors is an integer number (12050951550).

Almost surely, 2^122111112122 is an apocalyptic number.

122111112122 is a deficient number, since it is larger than the sum of its proper divisors (70704112678).

122111112122 is a wasteful number, since it uses less digits than its factorization.

122111112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136781.

The product of its digits is 32, while the sum is 17.

Adding to 122111112122 its reverse (221211111221), we get a palindrome (343322223343).

Subtracting 122111112122 from its reverse (221211111221), we obtain a palindrome (99099999099).

The spelling of 122111112122 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-two".