100102010219989 has 2 divisors, whose sum is σ = 100102010219990. Its totient is φ = 100102010219988.

The previous prime is 100102010219941. The next prime is 100102010220013. The reversal of 100102010219989 is 989912010201001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94088642004900 + 6013368215089 = 9699930^2 + 2452217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100102010219989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102010219789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051005109994 + 50051005109995.

It is an arithmetic number, because the mean of its divisors is an integer number (50051005109995).

Almost surely, 2^{100102010219989} is an apocalyptic number.

It is an amenable number.

100102010219989 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102010219989 is an equidigital number, since it uses as much as digits as its factorization.

100102010219989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 100102010219989 in words is "one hundred trillion, one hundred two billion, ten million, two hundred nineteen thousand, nine hundred eighty-nine".