102231215089 has 2 divisors, whose sum is σ = 102231215090. Its totient is φ = 102231215088.

The previous prime is 102231215087. The next prime is 102231215159. The reversal of 102231215089 is 980512132201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58036664464 + 44194550625 = 240908^2 + 210225^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231215089 - 2¹ = 102231215087 is a prime.

Together with 102231215087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102231215087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115607544 + 51115607545.

It is an arithmetic number, because the mean of its divisors is an integer number (51115607545).

Almost surely, 2^102231215089 is an apocalyptic number.

It is an amenable number.

102231215089 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231215089 is an equidigital number, since it uses as much as digits as its factorization.

102231215089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 102231215089 in words is "one hundred two billion, two hundred thirty-one million, two hundred fifteen thousand, eighty-nine".