2112768113 has 4 divisors (see below), whose sum is σ = 2113651200. Its totient is φ = 2111885028.

The previous prime is 2112768107. The next prime is 2112768127. The reversal of 2112768113 is 3118672112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112768113 - 2⁸ = 2112767857 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 2112768113.

It is not an unprimeable number, because it can be changed into a prime (2112768013) 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, 437945 + ... + 442742.

It is an arithmetic number, because the mean of its divisors is an integer number (528412800).

Almost surely, 2^2112768113 is an apocalyptic number.

It is an amenable number.

2112768113 is a deficient number, since it is larger than the sum of its proper divisors (883087).

2112768113 is an equidigital number, since it uses as much as digits as its factorization.

2112768113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883086.

The product of its digits is 4032, while the sum is 32.

The square root of 2112768113 is about 45964.8573695166. The cubic root of 2112768113 is about 1283.1692528441.

The spelling of 2112768113 in words is "two billion, one hundred twelve million, seven hundred sixty-eight thousand, one hundred thirteen".