102322331021 has 2 divisors, whose sum is σ = 102322331022. Its totient is φ = 102322331020.

The previous prime is 102322331011. The next prime is 102322331063. The reversal of 102322331021 is 120133223201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102023386921 + 298944100 = 319411^2 + 17290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102322331021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102322330984 and 102322331002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102322331011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51161165510 + 51161165511.

It is an arithmetic number, because the mean of its divisors is an integer number (51161165511).

Almost surely, 2^102322331021 is an apocalyptic number.

It is an amenable number.

102322331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102322331021 is an equidigital number, since it uses as much as digits as its factorization.

102322331021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102322331021 its reverse (120133223201), we get a palindrome (222455554222).

The spelling of 102322331021 in words is "one hundred two billion, three hundred twenty-two million, three hundred thirty-one thousand, twenty-one".