2120605113 has 8 divisors (see below), whose sum is σ = 3084516576. Its totient is φ = 1285215200.

The previous prime is 2120605057. The next prime is 2120605147. The reversal of 2120605113 is 3115060212.

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 2120605113 - 2⁶ = 2120605049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120605113.

It is not an unprimeable number, because it can be changed into a prime (2120605213) 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, 32130348 + ... + 32130413.

It is an arithmetic number, because the mean of its divisors is an integer number (385564572).

Almost surely, 2^2120605113 is an apocalyptic number.

It is an amenable number.

2120605113 is a deficient number, since it is larger than the sum of its proper divisors (963911463).

2120605113 is a wasteful number, since it uses less digits than its factorization.

2120605113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64260775.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2120605113 is about 46050.0283713268. The cubic root of 2120605113 is about 1284.7538705063.

Adding to 2120605113 its reverse (3115060212), we get a palindrome (5235665325).

The spelling of 2120605113 in words is "two billion, one hundred twenty million, six hundred five thousand, one hundred thirteen".