100198829291 has 6 divisors (see below), whose sum is σ = 109308959076. Its totient is φ = 91088890400.

The previous prime is 100198829261. The next prime is 100198829323. The reversal of 100198829291 is 192928891001.

It is not a de Polignac number, because 100198829291 - 2²² = 100194634987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100198829221) 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 in 5 ways as a sum of consecutive naturals, for example, 1002131 + ... + 1097571.

It is an arithmetic number, because the mean of its divisors is an integer number (18218159846).

Almost surely, 2^100198829291 is an apocalyptic number.

100198829291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100198829291 is a deficient number, since it is larger than the sum of its proper divisors (9110129785).

100198829291 is an frugal number, since it uses more digits than its factorization.

100198829291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190893 (or 95452 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 50.

The spelling of 100198829291 in words is "one hundred billion, one hundred ninety-eight million, eight hundred twenty-nine thousand, two hundred ninety-one".