102221121202097 has 2 divisors, whose sum is σ = 102221121202098. Its totient is φ = 102221121202096.

The previous prime is 102221121202073. The next prime is 102221121202111. The reversal of 102221121202097 is 790202121122201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83275681053601 + 18945440148496 = 9125551^2 + 4352636^2 .

It is a cyclic number.

It is not a de Polignac number, because 102221121202097 - 2¹⁸ = 102221120939953 is a prime.

It is not a weakly prime, because it can be changed into another prime (102221121202007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110560601048 + 51110560601049.

It is an arithmetic number, because the mean of its divisors is an integer number (51110560601049).

Almost surely, 2^{102221121202097} is an apocalyptic number.

It is an amenable number.

102221121202097 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221121202097 is an equidigital number, since it uses as much as digits as its factorization.

102221121202097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

Adding to 102221121202097 its reverse (790202121122201), we get a palindrome (892423242324298).

The spelling of 102221121202097 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred two thousand, ninety-seven".