2113512203 has 32 divisors (see below), whose sum is σ = 2421479424. Its totient is φ = 1842588000.

The previous prime is 2113512179. The next prime is 2113512209. The reversal of 2113512203 is 3022153112.

It is not a de Polignac number, because 2113512203 - 2¹⁴ = 2113495819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113512209) 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 31 ways as a sum of consecutive naturals, for example, 7468100 + ... + 7468382.

It is an arithmetic number, because the mean of its divisors is an integer number (75671232).

Almost surely, 2^2113512203 is an apocalyptic number.

2113512203 is a deficient number, since it is larger than the sum of its proper divisors (307967221).

2113512203 is a wasteful number, since it uses less digits than its factorization.

2113512203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2113512203 is about 45972.9507754288. The cubic root of 2113512203 is about 1283.3198737817.

Adding to 2113512203 its reverse (3022153112), we get a palindrome (5135665315).

The spelling of 2113512203 in words is "two billion, one hundred thirteen million, five hundred twelve thousand, two hundred three".