2321211213 has 12 divisors (see below), whose sum is σ = 3353302368. Its totient is φ = 1547270280.

The previous prime is 2321211173. The next prime is 2321211227. The reversal of 2321211213 is 3121121232.

It is not a de Polignac number, because 2321211213 - 2¹⁸ = 2320949069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321211293) 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, 91758 + ... + 114288.

It is an arithmetic number, because the mean of its divisors is an integer number (279441864).

Almost surely, 2^2321211213 is an apocalyptic number.

It is an amenable number.

2321211213 is a deficient number, since it is larger than the sum of its proper divisors (1032091155).

2321211213 is a wasteful number, since it uses less digits than its factorization.

2321211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33984 (or 33981 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2321211213 is about 48178.9498951565. The cubic root of 2321211213 is about 1324.0515273177.

Adding to 2321211213 its reverse (3121121232), we get a palindrome (5442332445).

The spelling of 2321211213 in words is "two billion, three hundred twenty-one million, two hundred eleven thousand, two hundred thirteen".