102020100179 has 2 divisors, whose sum is σ = 102020100180. Its totient is φ = 102020100178.

The previous prime is 102020100157. The next prime is 102020100241. The reversal of 102020100179 is 971001020201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020100179 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020100079) 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, 51010050089 + 51010050090.

It is an arithmetic number, because the mean of its divisors is an integer number (51010050090).

Almost surely, 2^102020100179 is an apocalyptic number.

102020100179 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020100179 is an equidigital number, since it uses as much as digits as its factorization.

102020100179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 102020100179 in words is "one hundred two billion, twenty million, one hundred thousand, one hundred seventy-nine".