2113101121311 has 16 divisors (see below), whose sum is σ = 3151252107520. Its totient is φ = 1399404713400.

The previous prime is 2113101121297. The next prime is 2113101121321. The reversal of 2113101121311 is 1131211013112.

2113101121311 is a `hidden beast` number, since 2 + 11 + 310 + 11 + 21 + 311 = 666.

It is not a de Polignac number, because 2113101121311 - 2⁵ = 2113101121279 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 (2113101121321) 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, 259144945 + ... + 259153098.

It is an arithmetic number, because the mean of its divisors is an integer number (196953256720).

Almost surely, 2^{2113101121311} is an apocalyptic number.

2113101121311 is a deficient number, since it is larger than the sum of its proper divisors (1038150986209).

2113101121311 is a wasteful number, since it uses less digits than its factorization.

2113101121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518298203 (or 518298197 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 2113101121311 its reverse (1131211013112), we get a palindrome (3244312134423).

The spelling of 2113101121311 in words is "two trillion, one hundred thirteen billion, one hundred one million, one hundred twenty-one thousand, three hundred eleven".