2123122203 has 24 divisors (see below), whose sum is σ = 3303306240. Its totient is φ = 1310197680.

The previous prime is 2123122181. The next prime is 2123122223. The reversal of 2123122203 is 3022213212.

2123122203 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2123122203 - 2⁹ = 2123121691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123122223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159013 + ... + 171846.

It is an arithmetic number, because the mean of its divisors is an integer number (137637760).

Almost surely, 2^2123122203 is an apocalyptic number.

2123122203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2123122203 is a deficient number, since it is larger than the sum of its proper divisors (1180184037).

2123122203 is a wasteful number, since it uses less digits than its factorization.

2123122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330919 (or 330916 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2123122203 is about 46077.3502167822. The cubic root of 2123122203 is about 1285.2619900134.

Adding to 2123122203 its reverse (3022213212), we get a palindrome (5145335415).

It can be divided in two parts, 21231 and 22203, that added together give a palindrome (43434).

The spelling of 2123122203 in words is "two billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred three".