2112102239 has 4 divisors (see below), whose sum is σ = 2274571656. Its totient is φ = 1949632824.

The previous prime is 2112102233. The next prime is 2112102271. The reversal of 2112102239 is 9322012112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2112102239 - 2¹² = 2112098143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112102233) 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, 81234689 + ... + 81234714.

It is an arithmetic number, because the mean of its divisors is an integer number (568642914).

Almost surely, 2^2112102239 is an apocalyptic number.

2112102239 is a deficient number, since it is larger than the sum of its proper divisors (162469417).

2112102239 is a wasteful number, since it uses less digits than its factorization.

2112102239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162469416.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2112102239 is about 45957.6135041845. The cubic root of 2112102239 is about 1283.0344346379.

The spelling of 2112102239 in words is "two billion, one hundred twelve million, one hundred two thousand, two hundred thirty-nine".