12211210110331 has 2 divisors, whose sum is σ = 12211210110332. Its totient is φ = 12211210110330.

The previous prime is 12211210110311. The next prime is 12211210110349. The reversal of 12211210110331 is 13301101211221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211210110331 - 2²⁵ = 12211176555899 is a prime.

It is a super-2 number, since 2×12211210110331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211210110299 and 12211210110308.

It is not a weakly prime, because it can be changed into another prime (12211210110311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105605055165 + 6105605055166.

It is an arithmetic number, because the mean of its divisors is an integer number (6105605055166).

Almost surely, 2^{12211210110331} is an apocalyptic number.

12211210110331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211210110331 is an equidigital number, since it uses as much as digits as its factorization.

12211210110331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12211210110331 its reverse (13301101211221), we get a palindrome (25512311321552).

The spelling of 12211210110331 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, one hundred ten thousand, three hundred thirty-one".