102322211021 has 2 divisors, whose sum is σ = 102322211022. Its totient is φ = 102322211020.

The previous prime is 102322210967. The next prime is 102322211039. The reversal of 102322211021 is 120112223201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70142874025 + 32179336996 = 264845^2 + 179386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102322211021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102322211521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51161105510 + 51161105511.

It is an arithmetic number, because the mean of its divisors is an integer number (51161105511).

Almost surely, 2^102322211021 is an apocalyptic number.

It is an amenable number.

102322211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102322211021 is an equidigital number, since it uses as much as digits as its factorization.

102322211021 is an evil number, because the sum of its binary digits is even.

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

Adding to 102322211021 its reverse (120112223201), we get a palindrome (222434434222).

The spelling of 102322211021 in words is "one hundred two billion, three hundred twenty-two million, two hundred eleven thousand, twenty-one".