311122010122 has 96 divisors (see below), whose sum is σ = 629698608000. Its totient is φ = 114835976640.

The previous prime is 311122010107. The next prime is 311122010123. The reversal of 311122010122 is 221010221113.

It is a junction number, because it is equal to n+sod(n) for n = 311122010096 and 311122010105.

It is not an unprimeable number, because it can be changed into a prime (311122010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1478478 + ... + 1675750.

It is an arithmetic number, because the mean of its divisors is an integer number (6559360500).

Almost surely, 2^311122010122 is an apocalyptic number.

311122010122 is an abundant number, since it is smaller than the sum of its proper divisors (318576597878).

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

311122010122 is a wasteful number, since it uses less digits than its factorization.

311122010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197337 (or 197312 counting only the distinct ones).

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

Adding to 311122010122 its reverse (221010221113), we get a palindrome (532132231235).

The spelling of 311122010122 in words is "three hundred eleven billion, one hundred twenty-two million, ten thousand, one hundred twenty-two".