12110211331 has 2 divisors, whose sum is σ = 12110211332. Its totient is φ = 12110211330.

The previous prime is 12110211329. The next prime is 12110211361. The reversal of 12110211331 is 13311201121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12110211331 - 2¹ = 12110211329 is a prime.

It is a super-2 number, since 2×12110211331² (a number of 21 digits) contains 22 as substring.

Together with 12110211329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12110211361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055105665 + 6055105666.

It is an arithmetic number, because the mean of its divisors is an integer number (6055105666).

Almost surely, 2^12110211331 is an apocalyptic number.

12110211331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110211331 is an equidigital number, since it uses as much as digits as its factorization.

12110211331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12110211331 its reverse (13311201121), we get a palindrome (25421412452).

The spelling of 12110211331 in words is "twelve billion, one hundred ten million, two hundred eleven thousand, three hundred thirty-one".