122221333321 has 2 divisors, whose sum is σ = 122221333322. Its totient is φ = 122221333320.

The previous prime is 122221333319. The next prime is 122221333337. The reversal of 122221333321 is 123333122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122195689225 + 25644096 = 349565^2 + 5064^2 .

It is a cyclic number.

It is not a de Polignac number, because 122221333321 - 2¹ = 122221333319 is a prime.

Together with 122221333319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122221033321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110666660 + 61110666661.

It is an arithmetic number, because the mean of its divisors is an integer number (61110666661).

Almost surely, 2^122221333321 is an apocalyptic number.

It is an amenable number.

122221333321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221333321 is an equidigital number, since it uses as much as digits as its factorization.

122221333321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 122221333321 its reverse (123333122221), we get a palindrome (245554455542).

The spelling of 122221333321 in words is "one hundred twenty-two billion, two hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty-one".