2131222203 has 12 divisors (see below), whose sum is σ = 3358289688. Its totient is φ = 1291649760.

The previous prime is 2131222199. The next prime is 2131222207. The reversal of 2131222203 is 3022221312.

It is an interprime number because it is at equal distance from previous prime (2131222199) and next prime (2131222207).

It is not a de Polignac number, because 2131222203 - 2² = 2131222199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131222207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10763650 + ... + 10763847.

It is an arithmetic number, because the mean of its divisors is an integer number (279857474).

Almost surely, 2^2131222203 is an apocalyptic number.

2131222203 is a deficient number, since it is larger than the sum of its proper divisors (1227067485).

2131222203 is a wasteful number, since it uses less digits than its factorization.

2131222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21527514 (or 21527511 counting only the distinct ones).

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

The square root of 2131222203 is about 46165.1622221779. The cubic root of 2131222203 is about 1286.8943989222.

Adding to 2131222203 its reverse (3022221312), we get a palindrome (5153443515).

The spelling of 2131222203 in words is "two billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred three".