2113121430204 has 12 divisors (see below), whose sum is σ = 4930616670504. Its totient is φ = 704373810064.

The previous prime is 2113121430127. The next prime is 2113121430227. The reversal of 2113121430204 is 4020341213112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88046726247 + ... + 88046726270.

It is an arithmetic number, because the mean of its divisors is an integer number (410884722542).

Almost surely, 2^{2113121430204} is an apocalyptic number.

It is an amenable number.

2113121430204 is an abundant number, since it is smaller than the sum of its proper divisors (2817495240300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113121430204 is a wasteful number, since it uses less digits than its factorization.

2113121430204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176093452524 (or 176093452522 counting only the distinct ones).

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

Adding to 2113121430204 its reverse (4020341213112), we get a palindrome (6133462643316).

The spelling of 2113121430204 in words is "two trillion, one hundred thirteen billion, one hundred twenty-one million, four hundred thirty thousand, two hundred four".