312111133111122 has 8 divisors (see below), whose sum is σ = 624222266222256. Its totient is φ = 104037044370372.

The previous prime is 312111133111109. The next prime is 312111133111189. The reversal of 312111133111122 is 221111331111213.

It is a sphenic number, since it is the product of 3 distinct primes.

312111133111122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 312111133111092 and 312111133111101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26009261092588 + ... + 26009261092599.

It is an arithmetic number, because the mean of its divisors is an integer number (78027783277782).

Almost surely, 2^{312111133111122} is an apocalyptic number.

312111133111122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312111133111122 is a wasteful number, since it uses less digits than its factorization.

312111133111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52018522185192.

The product of its digits is 216, while the sum is 24.

Adding to 312111133111122 its reverse (221111331111213), we get a palindrome (533222464222335).

The spelling of 312111133111122 in words is "three hundred twelve trillion, one hundred eleven billion, one hundred thirty-three million, one hundred eleven thousand, one hundred twenty-two".