2120011113 has 12 divisors (see below), whose sum is σ = 3107014064. Its totient is φ = 1284855000.

The previous prime is 2120011111. The next prime is 2120011123. The reversal of 2120011113 is 3111100212.

It is not a de Polignac number, because 2120011113 - 2¹ = 2120011111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120011111) 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 11 ways as a sum of consecutive naturals, for example, 2919763 + ... + 2920488.

Almost surely, 2^2120011113 is an apocalyptic number.

It is an amenable number.

2120011113 is a deficient number, since it is larger than the sum of its proper divisors (987002951).

2120011113 is a wasteful number, since it uses less digits than its factorization.

2120011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840276 (or 5840265 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2120011113 is about 46043.5784121955. The cubic root of 2120011113 is about 1284.6339023802.

Adding to 2120011113 its reverse (3111100212), we get a palindrome (5231111325).

The spelling of 2120011113 in words is "two billion, one hundred twenty million, eleven thousand, one hundred thirteen".