2101122303 has 20 divisors (see below), whose sum is σ = 3268229208. Its totient is φ = 1200637200.

The previous prime is 2101122271. The next prime is 2101122311. The reversal of 2101122303 is 3032211012.

It is not a de Polignac number, because 2101122303 - 2⁵ = 2101122271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101120303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138648 + ... + 153053.

Almost surely, 2^2101122303 is an apocalyptic number.

2101122303 is a deficient number, since it is larger than the sum of its proper divisors (1167106905).

2101122303 is an frugal number, since it uses more digits than its factorization.

2101122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291732 (or 291711 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101122303 is about 45838.0006435708. Note that the first 3 decimals coincide. The cubic root of 2101122303 is about 1280.8072510014.

Adding to 2101122303 its reverse (3032211012), we get a palindrome (5133333315).

The spelling of 2101122303 in words is "two billion, one hundred one million, one hundred twenty-two thousand, three hundred three".