131222132223211 has 2 divisors, whose sum is σ = 131222132223212. Its totient is φ = 131222132223210.

The previous prime is 131222132223167. The next prime is 131222132223239. The reversal of 131222132223211 is 112322231222131.

It is an a-pointer prime, because the next prime (131222132223239) can be obtained adding 131222132223211 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131222132223211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131222132223211.

It is not a weakly prime, because it can be changed into another prime (131222132223251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611066111605 + 65611066111606.

It is an arithmetic number, because the mean of its divisors is an integer number (65611066111606).

Almost surely, 2^{131222132223211} is an apocalyptic number.

131222132223211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131222132223211 is an equidigital number, since it uses as much as digits as its factorization.

131222132223211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 131222132223211 its reverse (112322231222131), we get a palindrome (243544363445342).

The spelling of 131222132223211 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred eleven".