2120210113 has 4 divisors (see below), whose sum is σ = 2423097280. Its totient is φ = 1817322948.

The previous prime is 2120210101. The next prime is 2120210117. The reversal of 2120210113 is 3110120212.

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 not a de Polignac number, because 2120210113 - 2²⁹ = 1583339201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120210093 and 2120210102.

It is not an unprimeable number, because it can be changed into a prime (2120210117) 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, 151443573 + ... + 151443586.

It is an arithmetic number, because the mean of its divisors is an integer number (605774320).

Almost surely, 2^2120210113 is an apocalyptic number.

It is an amenable number.

2120210113 is a deficient number, since it is larger than the sum of its proper divisors (302887167).

2120210113 is an equidigital number, since it uses as much as digits as its factorization.

2120210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302887166.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2120210113 is about 46045.7393577299. The cubic root of 2120210113 is about 1284.6740962179.

Adding to 2120210113 its reverse (3110120212), we get a palindrome (5230330325).

The spelling of 2120210113 in words is "two billion, one hundred twenty million, two hundred ten thousand, one hundred thirteen".