12224231311 has 2 divisors, whose sum is σ = 12224231312. Its totient is φ = 12224231310.

The previous prime is 12224231233. The next prime is 12224231353. The reversal of 12224231311 is 11313242221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12224231311 - 2⁷ = 12224231183 is a prime.

It is a super-2 number, since 2×12224231311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12224231111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112115655 + 6112115656.

It is an arithmetic number, because the mean of its divisors is an integer number (6112115656).

Almost surely, 2^12224231311 is an apocalyptic number.

12224231311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224231311 is an equidigital number, since it uses as much as digits as its factorization.

12224231311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

Adding to 12224231311 its reverse (11313242221), we get a palindrome (23537473532).

The spelling of 12224231311 in words is "twelve billion, two hundred twenty-four million, two hundred thirty-one thousand, three hundred eleven".