122120111022112 has 24 divisors (see below), whose sum is σ = 274770249800256. Its totient is φ = 52337190437952.

The previous prime is 122120111022043. The next prime is 122120111022121. The reversal of 122120111022112 is 211220111021221.

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 122120111022112.

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, 272589533308 + ... + 272589533755.

It is an arithmetic number, because the mean of its divisors is an integer number (11448760408344).

Almost surely, 2^{122120111022112} is an apocalyptic number.

It is an amenable number.

122120111022112 is an abundant number, since it is smaller than the sum of its proper divisors (152650138778144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122120111022112 is an equidigital number, since it uses as much as digits as its factorization.

122120111022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545179067080 (or 545179067072 counting only the distinct ones).

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

Adding to 122120111022112 its reverse (211220111021221), we get a palindrome (333340222043333).

The spelling of 122120111022112 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred eleven million, twenty-two thousand, one hundred twelve".