2109112 has 16 divisors (see below), whose sum is σ = 4091400. Its totient is φ = 1018080.

The previous prime is 2109109. The next prime is 2109119. The reversal of 2109112 is 2119012.

It is a congruent number.

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, 4314 + ... + 4777.

2^2109112 is an apocalyptic number.

It is an amenable number.

2109112 is a deficient number, since it is larger than the sum of its proper divisors (1982288).

2109112 is a wasteful number, since it uses less digits than its factorization.

2109112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126 (or 9122 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2109112 is about 1452.2782102614. The cubic root of 2109112 is about 128.2428657209.

The spelling of 2109112 in words is "two million, one hundred nine thousand, one hundred twelve".