102222303221 has 2 divisors, whose sum is σ = 102222303222. Its totient is φ = 102222303220.

The previous prime is 102222303193. The next prime is 102222303229. The reversal of 102222303221 is 122303222201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101323802596 + 898500625 = 318314^2 + 29975^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222303221 - 2²⁶ = 102155194357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102222303193 and 102222303202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102222303229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111151610 + 51111151611.

It is an arithmetic number, because the mean of its divisors is an integer number (51111151611).

Almost surely, 2^102222303221 is an apocalyptic number.

It is an amenable number.

102222303221 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222303221 is an equidigital number, since it uses as much as digits as its factorization.

102222303221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102222303221 its reverse (122303222201), we get a palindrome (224525525422).

The spelling of 102222303221 in words is "one hundred two billion, two hundred twenty-two million, three hundred three thousand, two hundred twenty-one".