102322000021 has 2 divisors, whose sum is σ = 102322000022. Its totient is φ = 102322000020.

The previous prime is 102322000013. The next prime is 102322000051. The reversal of 102322000021 is 120000223201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77958224100 + 24363775921 = 279210^2 + 156089^2 .

It is an emirp because it is prime and its reverse (120000223201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102322000021 - 2³ = 102322000013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102321999965 and 102322000010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102322000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51161000010 + 51161000011.

It is an arithmetic number, because the mean of its divisors is an integer number (51161000011).

Almost surely, 2^102322000021 is an apocalyptic number.

It is an amenable number.

102322000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102322000021 is an equidigital number, since it uses as much as digits as its factorization.

102322000021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102322000021 its reverse (120000223201), we get a palindrome (222322223222).

The spelling of 102322000021 in words is "one hundred two billion, three hundred twenty-two million, twenty-one", and thus it is an aban number.