2109113 has 4 divisors (see below), whose sum is σ = 2134608. Its totient is φ = 2083620.

The previous prime is 2109109. The next prime is 2109119. The reversal of 2109113 is 3119012.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2109113 - 2² = 2109109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2109091 and 2109100.

It is not an unprimeable number, because it can be changed into a prime (2109119) 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, 12623 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (533652).

2^2109113 is an apocalyptic number.

It is an amenable number.

2109113 is a deficient number, since it is larger than the sum of its proper divisors (25495).

2109113 is an equidigital number, since it uses as much as digits as its factorization.

2109113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25494.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2109113 is about 1452.2785545480. The cubic root of 2109113 is about 128.2428859889.

It can be divided in two parts, 2109 and 113, that added together give a palindrome (2222).

The spelling of 2109113 in words is "two million, one hundred nine thousand, one hundred thirteen".