2112345113 has 8 divisors (see below), whose sum is σ = 2146577760. Its totient is φ = 2078192160.

The previous prime is 2112345107. The next prime is 2112345119. The reversal of 2112345113 is 3115432112.

It is an interprime number because it is at equal distance from previous prime (2112345107) and next prime (2112345119).

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

It is a cyclic number.

It is not a de Polignac number, because 2112345113 - 2⁴ = 2112345097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112345119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34718 + ... + 73688.

It is an arithmetic number, because the mean of its divisors is an integer number (268322220).

Almost surely, 2^2112345113 is an apocalyptic number.

It is an amenable number.

2112345113 is a deficient number, since it is larger than the sum of its proper divisors (34232647).

2112345113 is an equidigital number, since it uses as much as digits as its factorization.

2112345113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39847.

The product of its digits is 720, while the sum is 23.

The square root of 2112345113 is about 45960.2557978086. The cubic root of 2112345113 is about 1283.0836121439.

Adding to 2112345113 its reverse (3115432112), we get a palindrome (5227777225).

The spelling of 2112345113 in words is "two billion, one hundred twelve million, three hundred forty-five thousand, one hundred thirteen".