3122111123013 has 4 divisors (see below), whose sum is σ = 4162814830688. Its totient is φ = 2081407415340.

The previous prime is 3122111123009. The next prime is 3122111123071. The reversal of 3122111123013 is 3103211112213.

3122111123013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3122111123013 - 2² = 3122111123009 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 (3122111143013) 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, 520351853833 + ... + 520351853838.

It is an arithmetic number, because the mean of its divisors is an integer number (1040703707672).

Almost surely, 2^{3122111123013} is an apocalyptic number.

It is an amenable number.

3122111123013 is a deficient number, since it is larger than the sum of its proper divisors (1040703707675).

3122111123013 is a wasteful number, since it uses less digits than its factorization.

3122111123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040703707674.

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

Adding to 3122111123013 its reverse (3103211112213), we get a palindrome (6225322235226).

The spelling of 3122111123013 in words is "three trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty-three thousand, thirteen".