102022321320121 has 2 divisors, whose sum is σ = 102022321320122. Its totient is φ = 102022321320120.

The previous prime is 102022321320109. The next prime is 102022321320149. The reversal of 102022321320121 is 121023123220201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97468625664400 + 4553695655721 = 9872620^2 + 2133939^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022321320121 - 2⁴⁵ = 66837949231289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102022321320092 and 102022321320101.

It is not a weakly prime, because it can be changed into another prime (102002321320121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011160660060 + 51011160660061.

It is an arithmetic number, because the mean of its divisors is an integer number (51011160660061).

Almost surely, 2^{102022321320121} is an apocalyptic number.

It is an amenable number.

102022321320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

102022321320121 is an equidigital number, since it uses as much as digits as its factorization.

102022321320121 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 22.

Adding to 102022321320121 its reverse (121023123220201), we get a palindrome (223045444540322).

The spelling of 102022321320121 in words is "one hundred two trillion, twenty-two billion, three hundred twenty-one million, three hundred twenty thousand, one hundred twenty-one".