2110120112209 has 4 divisors (see below), whose sum is σ = 2110134069604. Its totient is φ = 2110106154816.

The previous prime is 2110120112201. The next prime is 2110120112249. The reversal of 2110120112209 is 9022110210112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1457947577025 + 652172535184 = 1207455^2 + 807572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110120112209 - 2³ = 2110120112201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110120112209.

It is not an unprimeable number, because it can be changed into a prime (2110120112201) 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, 6749412 + ... + 7055125.

It is an arithmetic number, because the mean of its divisors is an integer number (527533517401).

Almost surely, 2^{2110120112209} is an apocalyptic number.

It is an amenable number.

2110120112209 is a deficient number, since it is larger than the sum of its proper divisors (13957395).

2110120112209 is a wasteful number, since it uses less digits than its factorization.

2110120112209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957394.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 2110120112209 in words is "two trillion, one hundred ten billion, one hundred twenty million, one hundred twelve thousand, two hundred nine".