102209822989 has 2 divisors, whose sum is σ = 102209822990. Its totient is φ = 102209822988.

The previous prime is 102209822971. The next prime is 102209823007. The reversal of 102209822989 is 989228902201.

It is a balanced prime because it is at equal distance from previous prime (102209822971) and next prime (102209823007).

It can be written as a sum of positive squares in only one way, i.e., 102197220489 + 12602500 = 319683^2 + 3550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102209822989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102209822489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51104911494 + 51104911495.

It is an arithmetic number, because the mean of its divisors is an integer number (51104911495).

Almost surely, 2^102209822989 is an apocalyptic number.

It is an amenable number.

102209822989 is a deficient number, since it is larger than the sum of its proper divisors (1).

102209822989 is an equidigital number, since it uses as much as digits as its factorization.

102209822989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 102209822989 in words is "one hundred two billion, two hundred nine million, eight hundred twenty-two thousand, nine hundred eighty-nine".