102117490099 has 4 divisors (see below), whose sum is σ = 102243717720. Its totient is φ = 101991262480.

The previous prime is 102117490037. The next prime is 102117490147. The reversal of 102117490099 is 990094711201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102117490099 - 2²¹ = 102115392947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102117490399) 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 in 3 ways as a sum of consecutive naturals, for example, 63112597 + ... + 63114214.

It is an arithmetic number, because the mean of its divisors is an integer number (25560929430).

Almost surely, 2^102117490099 is an apocalyptic number.

102117490099 is a deficient number, since it is larger than the sum of its proper divisors (126227621).

102117490099 is an equidigital number, since it uses as much as digits as its factorization.

102117490099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126227620.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 102117490099 in words is "one hundred two billion, one hundred seventeen million, four hundred ninety thousand, ninety-nine".