2130111223 has 4 divisors (see below), whose sum is σ = 2242222360. Its totient is φ = 2018000088.

The previous prime is 2130111187. The next prime is 2130111229. The reversal of 2130111223 is 3221110312.

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 2130111223 - 2⁹ = 2130110711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130111197 and 2130111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130111229) 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, 56055540 + ... + 56055577.

It is an arithmetic number, because the mean of its divisors is an integer number (560555590).

Almost surely, 2^2130111223 is an apocalyptic number.

2130111223 is a deficient number, since it is larger than the sum of its proper divisors (112111137).

2130111223 is a wasteful number, since it uses less digits than its factorization.

2130111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112111136.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2130111223 is about 46153.1279871690. The cubic root of 2130111223 is about 1286.6707459653.

Adding to 2130111223 its reverse (3221110312), we get a palindrome (5351221535).

The spelling of 2130111223 in words is "two billion, one hundred thirty million, one hundred eleven thousand, two hundred twenty-three".