3112021311123 has 8 divisors (see below), whose sum is σ = 4165507125648. Its totient is φ = 2066608185344.

The previous prime is 3112021311053. The next prime is 3112021311149. The reversal of 3112021311123 is 3211131202113.

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

It is a cyclic number.

It is not a de Polignac number, because 3112021311123 - 2³⁶ = 3043301834387 is a prime.

It is a super-2 number, since 2×3112021311123² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3112021311123.

It is not an unprimeable number, because it can be changed into a prime (3112021311323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2018171286 + ... + 2018172827.

It is an arithmetic number, because the mean of its divisors is an integer number (520688390706).

Almost surely, 2^{3112021311123} is an apocalyptic number.

3112021311123 is a deficient number, since it is larger than the sum of its proper divisors (1053485814525).

3112021311123 is a wasteful number, since it uses less digits than its factorization.

3112021311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036344373.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3112021311123 its reverse (3211131202113), we get a palindrome (6323152513236).

The spelling of 3112021311123 in words is "three trillion, one hundred twelve billion, twenty-one million, three hundred eleven thousand, one hundred twenty-three".