122112111112 has 16 divisors (see below), whose sum is σ = 229295445840. Its totient is φ = 60966658896.

The previous prime is 122112111059. The next prime is 122112111151. The reversal of 122112111112 is 211111211221.

It is a super-2 number, since 2×122112111112² (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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11168778 + ... + 11179705.

It is an arithmetic number, because the mean of its divisors is an integer number (14330965365).

Almost surely, 2^122112111112 is an apocalyptic number.

It is an amenable number.

122112111112 is a deficient number, since it is larger than the sum of its proper divisors (107183334728).

122112111112 is a wasteful number, since it uses less digits than its factorization.

122112111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22349172 (or 22349168 counting only the distinct ones).

The product of its digits is 16, while the sum is 16.

Adding to 122112111112 its reverse (211111211221), we get a palindrome (333223322333).

The spelling of 122112111112 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, one hundred twelve".