102222111332321 has 2 divisors, whose sum is σ = 102222111332322. Its totient is φ = 102222111332320.

The previous prime is 102222111332309. The next prime is 102222111332377. The reversal of 102222111332321 is 123233111222201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81792036771025 + 20430074561296 = 9043895^2 + 4519964^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222111332321 - 2¹⁰ = 102222111331297 is a prime.

It is not a weakly prime, because it can be changed into another prime (102222111332221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111055666160 + 51111055666161.

It is an arithmetic number, because the mean of its divisors is an integer number (51111055666161).

Almost surely, 2^{102222111332321} is an apocalyptic number.

It is an amenable number.

102222111332321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222111332321 is an equidigital number, since it uses as much as digits as its factorization.

102222111332321 is an evil number, because the sum of its binary digits is even.

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

Adding to 102222111332321 its reverse (123233111222201), we get a palindrome (225455222554522).

The spelling of 102222111332321 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred eleven million, three hundred thirty-two thousand, three hundred twenty-one".