122211110022112 has 24 divisors (see below), whose sum is σ = 240603580815192. Its totient is φ = 61105438704000.

The previous prime is 122211110022047. The next prime is 122211110022139. The reversal of 122211110022112 is 211220011112221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122211110022112.

It is a congruent number.

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, 14893362 + ... + 21592462.

It is an arithmetic number, because the mean of its divisors is an integer number (10025149200633).

Almost surely, 2^{122211110022112} is an apocalyptic number.

It is an amenable number.

122211110022112 is a deficient number, since it is larger than the sum of its proper divisors (118392470793080).

122211110022112 is an equidigital number, since it uses as much as digits as its factorization.

122211110022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269202 (or 7269194 counting only the distinct ones).

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

Adding to 122211110022112 its reverse (211220011112221), we get a palindrome (333431121134333).

The spelling of 122211110022112 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred ten million, twenty-two thousand, one hundred twelve".