2120123113 has 8 divisors (see below), whose sum is σ = 2233817600. Its totient is φ = 2006639568.

The previous prime is 2120123107. The next prime is 2120123123. The reversal of 2120123113 is 3113210212.

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 2120123113 - 2⁵ = 2120123081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120123123) 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, 31881 + ... + 72502.

It is an arithmetic number, because the mean of its divisors is an integer number (279227200).

Almost surely, 2^2120123113 is an apocalyptic number.

It is an amenable number.

2120123113 is a deficient number, since it is larger than the sum of its proper divisors (113694487).

2120123113 is a wasteful number, since it uses less digits than its factorization.

2120123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105471.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2120123113 is about 46044.7946352245. The cubic root of 2120123113 is about 1284.6565243471.

Adding to 2120123113 its reverse (3113210212), we get a palindrome (5233333325).

The spelling of 2120123113 in words is "two billion, one hundred twenty million, one hundred twenty-three thousand, one hundred thirteen".