322221212113231 has 2 divisors, whose sum is σ = 322221212113232. Its totient is φ = 322221212113230.

The previous prime is 322221212113223. The next prime is 322221212113247. The reversal of 322221212113231 is 132311212122223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 322221212113231 - 2³ = 322221212113223 is a prime.

It is a super-2 number, since 2×322221212113231² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 322221212113231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322221212113211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161110606056615 + 161110606056616.

It is an arithmetic number, because the mean of its divisors is an integer number (161110606056616).

Almost surely, 2^{322221212113231} is an apocalyptic number.

322221212113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

322221212113231 is an equidigital number, since it uses as much as digits as its factorization.

322221212113231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 322221212113231 its reverse (132311212122223), we get a palindrome (454532424235454).

The spelling of 322221212113231 in words is "three hundred twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thirteen thousand, two hundred thirty-one".