3122113221 has 8 divisors (see below), whose sum is σ = 4625352960. Its totient is φ = 2081408796.

The previous prime is 3122113213. The next prime is 3122113271. The reversal of 3122113221 is 1223112213.

It is not a de Polignac number, because 3122113221 - 2³ = 3122113213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3122113194 and 3122113203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122113271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57816885 + ... + 57816938.

It is an arithmetic number, because the mean of its divisors is an integer number (578169120).

Almost surely, 2^3122113221 is an apocalyptic number.

It is an amenable number.

3122113221 is a deficient number, since it is larger than the sum of its proper divisors (1503239739).

3122113221 is a wasteful number, since it uses less digits than its factorization.

3122113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115633832 (or 115633826 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3122113221 is about 55875.8733354567. The cubic root of 3122113221 is about 1461.5585441190.

Adding to 3122113221 its reverse (1223112213), we get a palindrome (4345225434).

The spelling of 3122113221 in words is "three billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-one".