2111323231213 has 24 divisors (see below), whose sum is σ = 2698134584000. Its totient is φ = 1613607464448.

The previous prime is 2111323231181. The next prime is 2111323231231. The reversal of 2111323231213 is 3121323231112.

It is not a de Polignac number, because 2111323231213 - 2⁵ = 2111323231181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111323231013) 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, 27426288 + ... + 27503161.

Almost surely, 2^{2111323231213} is an apocalyptic number.

It is an amenable number.

2111323231213 is a deficient number, since it is larger than the sum of its proper divisors (586811352787).

2111323231213 is a wasteful number, since it uses less digits than its factorization.

2111323231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54929509 (or 54929492 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 2111323231213 its reverse (3121323231112), we get a palindrome (5232646462325).

The spelling of 2111323231213 in words is "two trillion, one hundred eleven billion, three hundred twenty-three million, two hundred thirty-one thousand, two hundred thirteen".