2122113013 has 4 divisors (see below), whose sum is σ = 2122315020. Its totient is φ = 2121911008.

The previous prime is 2122113011. The next prime is 2122113023. The reversal of 2122113013 is 3103112212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102779044 + 2019333969 = 10138^2 + 44937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122113013 - 2¹ = 2122113011 is a prime.

It is a super-3 number, since 3×2122113013³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122113011) 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, 84328 + ... + 106561.

It is an arithmetic number, because the mean of its divisors is an integer number (530578755).

Almost surely, 2^2122113013 is an apocalyptic number.

It is an amenable number.

2122113013 is a deficient number, since it is larger than the sum of its proper divisors (202007).

2122113013 is a wasteful number, since it uses less digits than its factorization.

2122113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202006.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2122113013 is about 46066.3978730701. The cubic root of 2122113013 is about 1285.0583152690.

Adding to 2122113013 its reverse (3103112212), we get a palindrome (5225225225).

The spelling of 2122113013 in words is "two billion, one hundred twenty-two million, one hundred thirteen thousand, thirteen".