2112242943 has 8 divisors (see below), whose sum is σ = 2817489328. Its totient is φ = 1407579264.

The previous prime is 2112242917. The next prime is 2112243017. The reversal of 2112242943 is 3492422112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112242943 - 2²⁸ = 1843807487 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 2112242943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112242903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137146 + ... + 151767.

It is an arithmetic number, because the mean of its divisors is an integer number (352186166).

Almost surely, 2^2112242943 is an apocalyptic number.

2112242943 is a deficient number, since it is larger than the sum of its proper divisors (705246385).

2112242943 is a wasteful number, since it uses less digits than its factorization.

2112242943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291353.

The product of its digits is 6912, while the sum is 30.

The square root of 2112242943 is about 45959.1442805455. The cubic root of 2112242943 is about 1283.0629250625.

The spelling of 2112242943 in words is "two billion, one hundred twelve million, two hundred forty-two thousand, nine hundred forty-three".