2109109112 has 32 divisors (see below), whose sum is σ = 4341593520. Its totient is φ = 952573440.

The previous prime is 2109109103. The next prime is 2109109127. The reversal of 2109109112 is 2119019012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62513 + ... + 90144.

Almost surely, 2^2109109112 is an apocalyptic number.

2109109112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2109109112 is an abundant number, since it is smaller than the sum of its proper divisors (2232484408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2109109112 is a wasteful number, since it uses less digits than its factorization.

2109109112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152831 (or 152827 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 2109109112 is about 45925.0379640562. The cubic root of 2109109112 is about 1282.4280718666.

It can be divided in two parts, 210910 and 9112, that added together give a palindrome (220022).

The spelling of 2109109112 in words is "two billion, one hundred nine million, one hundred nine thousand, one hundred twelve".