3111312101022 has 12 divisors (see below), whose sum is σ = 6741176218920. Its totient is φ = 1037104033668.

The previous prime is 3111312101021. The next prime is 3111312101143. The reversal of 3111312101022 is 2201012131113.

3111312101022 is a `hidden beast` number, since 311 + 1 + 312 + 10 + 10 + 22 = 666.

3111312101022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 172850672279 = 3111312101022 / (3 + 1 + 1 + 1 + 3 + 1 + 2 + 1 + 0 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 3111312100986 and 3111312101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111312101021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86425336122 + ... + 86425336157.

It is an arithmetic number, because the mean of its divisors is an integer number (561764684910).

Almost surely, 2^{3111312101022} is an apocalyptic number.

3111312101022 is an abundant number, since it is smaller than the sum of its proper divisors (3629864117898).

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

3111312101022 is a wasteful number, since it uses less digits than its factorization.

3111312101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172850672287 (or 172850672284 counting only the distinct ones).

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

Adding to 3111312101022 its reverse (2201012131113), we get a palindrome (5312324232135).

The spelling of 3111312101022 in words is "three trillion, one hundred eleven billion, three hundred twelve million, one hundred one thousand, twenty-two".