122311113020120 has 64 divisors (see below), whose sum is σ = 281617756992000. Its totient is φ = 47783654851968.

The previous prime is 122311113020119. The next prime is 122311113020143. The reversal of 122311113020120 is 21020311113221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122311113020092 and 122311113020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25147151 + ... + 29614209.

It is an arithmetic number, because the mean of its divisors is an integer number (4400277453000).

Almost surely, 2^{122311113020120} is an apocalyptic number.

122311113020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122311113020120 is an abundant number, since it is smaller than the sum of its proper divisors (159306643971880).

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

122311113020120 is a wasteful number, since it uses less digits than its factorization.

122311113020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483032 (or 4483028 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 122311113020120 its reverse (21020311113221), we get a palindrome (143331424133341).

The spelling of 122311113020120 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred thirteen million, twenty thousand, one hundred twenty".