120311113122 has 24 divisors (see below), whose sum is σ = 267719325276. Its totient is φ = 39019820256.

The previous prime is 120311113061. The next prime is 120311113123. The reversal of 120311113122 is 221311113021.

120311113122 is a `hidden beast` number, since 120 + 311 + 113 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 117874802241 + 2436310881 = 343329^2 + 49359^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120311113095 and 120311113104.

It is not an unprimeable number, because it can be changed into a prime (120311113123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90322993 + ... + 90324324.

Almost surely, 2^120311113122 is an apocalyptic number.

120311113122 is an abundant number, since it is smaller than the sum of its proper divisors (147408212154).

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

120311113122 is a wasteful number, since it uses less digits than its factorization.

120311113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180647362 (or 180647359 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 120311113122 its reverse (221311113021), we get a palindrome (341622226143).

The spelling of 120311113122 in words is "one hundred twenty billion, three hundred eleven million, one hundred thirteen thousand, one hundred twenty-two".