322220121311213 has 4 divisors (see below), whose sum is σ = 322221246302748. Its totient is φ = 322218996319680.

The previous prime is 322220121311183. The next prime is 322220121311251. The reversal of 322220121311213 is 312113121022223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58064598120169 + 264155523191044 = 7620013^2 + 16252862^2 .

It is a cyclic number.

It is not a de Polignac number, because 322220121311213 - 2⁶ = 322220121311149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322220121301213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562066028 + ... + 562639013.

It is an arithmetic number, because the mean of its divisors is an integer number (80555311575687).

Almost surely, 2^{322220121311213} is an apocalyptic number.

It is an amenable number.

322220121311213 is a deficient number, since it is larger than the sum of its proper divisors (1124991535).

322220121311213 is a wasteful number, since it uses less digits than its factorization.

322220121311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124991534.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 322220121311213 its reverse (312113121022223), we get a palindrome (634333242333436).

The spelling of 322220121311213 in words is "three hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirteen".