102222022320221 has 2 divisors, whose sum is σ = 102222022320222. Its totient is φ = 102222022320220.

The previous prime is 102222022320191. The next prime is 102222022320269. The reversal of 102222022320221 is 122023220222201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57492865584025 + 44729156736196 = 7582405^2 + 6687986^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222022320221 - 2²⁶ = 102221955211357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102222022320521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111011160110 + 51111011160111.

It is an arithmetic number, because the mean of its divisors is an integer number (51111011160111).

Almost surely, 2^{102222022320221} is an apocalyptic number.

It is an amenable number.

102222022320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222022320221 is an equidigital number, since it uses as much as digits as its factorization.

102222022320221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 102222022320221 its reverse (122023220222201), we get a palindrome (224245242542422).

The spelling of 102222022320221 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-two million, three hundred twenty thousand, two hundred twenty-one".