12021330111311 has 2 divisors, whose sum is σ = 12021330111312. Its totient is φ = 12021330111310.

The previous prime is 12021330111293. The next prime is 12021330111389. The reversal of 12021330111311 is 11311103312021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12021330111311 - 2⁶ = 12021330111247 is a prime.

It is a super-2 number, since 2×12021330111311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021330110311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010665055655 + 6010665055656.

It is an arithmetic number, because the mean of its divisors is an integer number (6010665055656).

Almost surely, 2^{12021330111311} is an apocalyptic number.

12021330111311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021330111311 is an equidigital number, since it uses as much as digits as its factorization.

12021330111311 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 12021330111311 its reverse (11311103312021), we get a palindrome (23332433423332).

The spelling of 12021330111311 in words is "twelve trillion, twenty-one billion, three hundred thirty million, one hundred eleven thousand, three hundred eleven".