3112013003221 has 4 divisors (see below), whose sum is σ = 3112180487392. Its totient is φ = 3111845519052.

The previous prime is 3112013003207. The next prime is 3112013003263. The reversal of 3112013003221 is 1223003102113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3112013003221 - 2²³ = 3112004614613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112013003521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83714211 + ... + 83751376.

It is an arithmetic number, because the mean of its divisors is an integer number (778045121848).

Almost surely, 2^{3112013003221} is an apocalyptic number.

It is an amenable number.

3112013003221 is a deficient number, since it is larger than the sum of its proper divisors (167484171).

3112013003221 is a wasteful number, since it uses less digits than its factorization.

3112013003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167484170.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3112013003221 its reverse (1223003102113), we get a palindrome (4335016105334).

The spelling of 3112013003221 in words is "three trillion, one hundred twelve billion, thirteen million, three thousand, two hundred twenty-one".