2113434120 has 128 divisors (see below), whose sum is σ = 7561175040. Its totient is φ = 462063360.

The previous prime is 2113434119. The next prime is 2113434137. The reversal of 2113434120 is 214343112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35376 + ... + 74015.

It is an arithmetic number, because the mean of its divisors is an integer number (59071680).

Almost surely, 2^2113434120 is an apocalyptic number.

2113434120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113434120 is an abundant number, since it is smaller than the sum of its proper divisors (5447740920).

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

2113434120 is a wasteful number, since it uses less digits than its factorization.

2113434120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109435 (or 109431 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2113434120 is about 45972.1015399557. The cubic root of 2113434120 is about 1283.3040696462.

Adding to 2113434120 its reverse (214343112), we get a palindrome (2327777232).

The spelling of 2113434120 in words is "two billion, one hundred thirteen million, four hundred thirty-four thousand, one hundred twenty".