122211220111012 has 24 divisors (see below), whose sum is σ = 221247990250560. Its totient is φ = 58997576040480.

The previous prime is 122211220110977. The next prime is 122211220111027. The reversal of 122211220111012 is 210111022112221.

It is a happy number.

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, 1120528 + ... + 15674119.

It is an arithmetic number, because the mean of its divisors is an integer number (9218666260440).

Almost surely, 2^{122211220111012} is an apocalyptic number.

It is an amenable number.

122211220111012 is a deficient number, since it is larger than the sum of its proper divisors (99036770139548).

122211220111012 is a wasteful number, since it uses less digits than its factorization.

122211220111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16857411 (or 16857409 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122211220111012 its reverse (210111022112221), we get a palindrome (332322242223233).

The spelling of 122211220111012 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twenty million, one hundred eleven thousand, twelve".