102102322121 has 2 divisors, whose sum is σ = 102102322122. Its totient is φ = 102102322120.

The previous prime is 102102322111. The next prime is 102102322139. The reversal of 102102322121 is 121223201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102045108025 + 57214096 = 319445^2 + 7564^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102322121 - 2³⁰ = 101028580297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102102322121.

It is not a weakly prime, because it can be changed into another prime (102102322111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051161060 + 51051161061.

It is an arithmetic number, because the mean of its divisors is an integer number (51051161061).

Almost surely, 2^102102322121 is an apocalyptic number.

It is an amenable number.

102102322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102322121 is an equidigital number, since it uses as much as digits as its factorization.

102102322121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102102322121 its reverse (121223201201), we get a palindrome (223325523322).

The spelling of 102102322121 in words is "one hundred two billion, one hundred two million, three hundred twenty-two thousand, one hundred twenty-one".