2130320111 has 4 divisors (see below), whose sum is σ = 2152282272. Its totient is φ = 2108357952.

The previous prime is 2130320041. The next prime is 2130320113. The reversal of 2130320111 is 1110230312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2130320111 - 2³⁰ = 1056578287 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 (2130320113) 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, 10980935 + ... + 10981128.

It is an arithmetic number, because the mean of its divisors is an integer number (538070568).

Almost surely, 2^2130320111 is an apocalyptic number.

2130320111 is a deficient number, since it is larger than the sum of its proper divisors (21962161).

2130320111 is an equidigital number, since it uses as much as digits as its factorization.

2130320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21962160.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2130320111 is about 46155.3909202381. The cubic root of 2130320111 is about 1286.7128034396.

Adding to 2130320111 its reverse (1110230312), we get a palindrome (3240550423).

It can be divided in two parts, 21303 and 20111, that added together give a palindrome (41414).

The spelling of 2130320111 in words is "two billion, one hundred thirty million, three hundred twenty thousand, one hundred eleven".