12311321333111 has 8 divisors (see below), whose sum is σ = 12339959013120. Its totient is φ = 12282687468792.

The previous prime is 12311321333083. The next prime is 12311321333123. The reversal of 12311321333111 is 11133312311321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12311321333111 - 2³⁸ = 12036443426167 is a prime.

It is a super-2 number, since 2×12311321333111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311321333131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5558210 + ... + 7450928.

It is an arithmetic number, because the mean of its divisors is an integer number (1542494876640).

Almost surely, 2^{12311321333111} is an apocalyptic number.

12311321333111 is a deficient number, since it is larger than the sum of its proper divisors (28637680009).

12311321333111 is a wasteful number, since it uses less digits than its factorization.

12311321333111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907845.

The product of its digits is 972, while the sum is 26.

Adding to 12311321333111 its reverse (11133312311321), we get a palindrome (23444633644432).

The spelling of 12311321333111 in words is "twelve trillion, three hundred eleven billion, three hundred twenty-one million, three hundred thirty-three thousand, one hundred eleven".