2113430204121 has 4 divisors (see below), whose sum is σ = 2817906938832. Its totient is φ = 1408953469412.

The previous prime is 2113430204113. The next prime is 2113430204159. The reversal of 2113430204121 is 1214020343112.

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 a cyclic number.

It is not a de Polignac number, because 2113430204121 - 2³ = 2113430204113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113430204091 and 2113430204100.

It is not an unprimeable number, because it can be changed into a prime (2113430208121) 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, 352238367351 + ... + 352238367356.

It is an arithmetic number, because the mean of its divisors is an integer number (704476734708).

Almost surely, 2^{2113430204121} is an apocalyptic number.

It is an amenable number.

2113430204121 is a deficient number, since it is larger than the sum of its proper divisors (704476734711).

2113430204121 is an equidigital number, since it uses as much as digits as its factorization.

2113430204121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704476734710.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2113430204121 its reverse (1214020343112), we get a palindrome (3327450547233).

The spelling of 2113430204121 in words is "two trillion, one hundred thirteen billion, four hundred thirty million, two hundred four thousand, one hundred twenty-one".