2113112013 has 16 divisors (see below), whose sum is σ = 2829066240. Its totient is φ = 1402963056.

The previous prime is 2113111991. The next prime is 2113112021. The reversal of 2113112013 is 3102113112.

It is a happy number.

It is not a de Polignac number, because 2113112013 - 2⁸ = 2113111757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113111983 and 2113112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956356 + ... + 958562.

It is an arithmetic number, because the mean of its divisors is an integer number (176816640).

Almost surely, 2^2113112013 is an apocalyptic number.

It is an amenable number.

2113112013 is a deficient number, since it is larger than the sum of its proper divisors (715954227).

2113112013 is a wasteful number, since it uses less digits than its factorization.

2113112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113112013 is about 45968.5981187158. The cubic root of 2113112013 is about 1283.2388705118.

Adding to 2113112013 its reverse (3102113112), we get a palindrome (5215225125).

The spelling of 2113112013 in words is "two billion, one hundred thirteen million, one hundred twelve thousand, thirteen".