322113122226221 has 2 divisors, whose sum is σ = 322113122226222. Its totient is φ = 322113122226220.

The previous prime is 322113122226211. The next prime is 322113122226257. The reversal of 322113122226221 is 122622221311223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252791079354025 + 69322042872196 = 15899405^2 + 8325986^2 .

It is an emirp because it is prime and its reverse (122622221311223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322113122226221 - 2³⁴ = 322095942357037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322113122226211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161056561113110 + 161056561113111.

It is an arithmetic number, because the mean of its divisors is an integer number (161056561113111).

Almost surely, 2^{322113122226221} is an apocalyptic number.

It is an amenable number.

322113122226221 is a deficient number, since it is larger than the sum of its proper divisors (1).

322113122226221 is an equidigital number, since it uses as much as digits as its factorization.

322113122226221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

Adding to 322113122226221 its reverse (122622221311223), we get a palindrome (444735343537444).

The spelling of 322113122226221 in words is "three hundred twenty-two trillion, one hundred thirteen billion, one hundred twenty-two million, two hundred twenty-six thousand, two hundred twenty-one".