102320030320121 has 2 divisors, whose sum is σ = 102320030320122. Its totient is φ = 102320030320120.

The previous prime is 102320030320103. The next prime is 102320030320147. The reversal of 102320030320121 is 121023030023201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87664570540096 + 14655459780025 = 9362936^2 + 3828245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102320030320121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102320030320093 and 102320030320102.

It is not a weakly prime, because it can be changed into another prime (102320030320171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160015160060 + 51160015160061.

It is an arithmetic number, because the mean of its divisors is an integer number (51160015160061).

Almost surely, 2^{102320030320121} is an apocalyptic number.

It is an amenable number.

102320030320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320030320121 is an equidigital number, since it uses as much as digits as its factorization.

102320030320121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 102320030320121 its reverse (121023030023201), we get a palindrome (223343060343322).

The spelling of 102320030320121 in words is "one hundred two trillion, three hundred twenty billion, thirty million, three hundred twenty thousand, one hundred twenty-one".