12011330121311 has 2 divisors, whose sum is σ = 12011330121312. Its totient is φ = 12011330121310.

The previous prime is 12011330121281. The next prime is 12011330121313. The reversal of 12011330121311 is 11312103311021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011330121311 - 2²⁶ = 12011263012447 is a prime.

It is a super-2 number, since 2×12011330121311² (a number of 27 digits) contains 22 as substring.

Together with 12011330121313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011330121313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005665060655 + 6005665060656.

It is an arithmetic number, because the mean of its divisors is an integer number (6005665060656).

Almost surely, 2^{12011330121311} is an apocalyptic number.

12011330121311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011330121311 is an equidigital number, since it uses as much as digits as its factorization.

12011330121311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 12011330121311 its reverse (11312103311021), we get a palindrome (23323433432332).

The spelling of 12011330121311 in words is "twelve trillion, eleven billion, three hundred thirty million, one hundred twenty-one thousand, three hundred eleven".