311120120122 has 16 divisors (see below), whose sum is σ = 535052774592. Its totient is φ = 132911195040.

The previous prime is 311120120093. The next prime is 311120120123. The reversal of 311120120122 is 221021021113.

It is a junction number, because it is equal to n+sod(n) for n = 311120120096 and 311120120105.

It is not an unprimeable number, because it can be changed into a prime (311120120123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35495404 + ... + 35504167.

It is an arithmetic number, because the mean of its divisors is an integer number (33440798412).

Almost surely, 2^311120120122 is an apocalyptic number.

311120120122 is a deficient number, since it is larger than the sum of its proper divisors (223932654470).

311120120122 is a wasteful number, since it uses less digits than its factorization.

311120120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70999893.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 311120120122 its reverse (221021021113), we get a palindrome (532141141235).

Subtracting from 311120120122 its reverse (221021021113), we obtain a palindrome (90099099009).

The spelling of 311120120122 in words is "three hundred eleven billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-two".