122110122211220 has 96 divisors (see below), whose sum is σ = 301276574153856. Its totient is φ = 40986016012800.

The previous prime is 122110122211213. The next prime is 122110122211229. The reversal of 122110122211220 is 22112221011221.

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 = 122110122211192 and 122110122211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110122211229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58260902 + ... + 60320418.

It is an arithmetic number, because the mean of its divisors is an integer number (3138297647436).

Almost surely, 2^{122110122211220} is an apocalyptic number.

122110122211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122110122211220 is an abundant number, since it is smaller than the sum of its proper divisors (179166451942636).

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

122110122211220 is a wasteful number, since it uses less digits than its factorization.

122110122211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080281 (or 2080279 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122110122211220 its reverse (22112221011221), we get a palindrome (144222343222441).

The spelling of 122110122211220 in words is "one hundred twenty-two trillion, one hundred ten billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty".