102220102199989 has 2 divisors, whose sum is σ = 102220102199990. Its totient is φ = 102220102199988.

The previous prime is 102220102199987. The next prime is 102220102200001. The reversal of 102220102199989 is 989991201022201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102155289696100 + 64812503889 = 10107190^2 + 254583^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220102199989 - 2¹ = 102220102199987 is a prime.

Together with 102220102199987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102220102199987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110051099994 + 51110051099995.

It is an arithmetic number, because the mean of its divisors is an integer number (51110051099995).

Almost surely, 2^{102220102199989} is an apocalyptic number.

It is an amenable number.

102220102199989 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220102199989 is an equidigital number, since it uses as much as digits as its factorization.

102220102199989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 55.

The spelling of 102220102199989 in words is "one hundred two trillion, two hundred twenty billion, one hundred two million, one hundred ninety-nine thousand, nine hundred eighty-nine".