100102020169 has 2 divisors, whose sum is σ = 100102020170. Its totient is φ = 100102020168.

The previous prime is 100102020143. The next prime is 100102020217. The reversal of 100102020169 is 961020201001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57401930569 + 42700089600 = 239587^2 + 206640^2 .

It is a cyclic number.

It is not a de Polignac number, because 100102020169 - 2⁷ = 100102020041 is a prime.

It is a super-2 number, since 2×100102020169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100102020269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051010084 + 50051010085.

It is an arithmetic number, because the mean of its divisors is an integer number (50051010085).

Almost surely, 2^100102020169 is an apocalyptic number.

It is an amenable number.

100102020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102020169 is an equidigital number, since it uses as much as digits as its factorization.

100102020169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 100102020169 in words is "one hundred billion, one hundred two million, twenty thousand, one hundred sixty-nine".