2113130121 has 8 divisors (see below), whose sum is σ = 2817745344. Its totient is φ = 1408634160.

The previous prime is 2113130101. The next prime is 2113130143. The reversal of 2113130121 is 1210313112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2113130121 - 2³⁰ = 1039388297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113130121.

It is not an unprimeable number, because it can be changed into a prime (2113130101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26995 + ... + 70391.

It is an arithmetic number, because the mean of its divisors is an integer number (352218168).

Almost surely, 2^2113130121 is an apocalyptic number.

It is an amenable number.

2113130121 is a deficient number, since it is larger than the sum of its proper divisors (704615223).

2113130121 is a wasteful number, since it uses less digits than its factorization.

2113130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59631.

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

The square root of 2113130121 is about 45968.7950788358. The cubic root of 2113130121 is about 1283.2425360097.

Adding to 2113130121 its reverse (1210313112), we get a palindrome (3323443233).

The spelling of 2113130121 in words is "two billion, one hundred thirteen million, one hundred thirty thousand, one hundred twenty-one".