100191091002 has 8 divisors (see below), whose sum is σ = 200382182016. Its totient is φ = 33397030332.

The previous prime is 100191090983. The next prime is 100191091043. The reversal of 100191091002 is 200190191001.

It is a sphenic number, since it is the product of 3 distinct primes.

100191091002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8349257578 + ... + 8349257589.

It is an arithmetic number, because the mean of its divisors is an integer number (25047772752).

Almost surely, 2^100191091002 is an apocalyptic number.

100191091002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100191091002 is a wasteful number, since it uses less digits than its factorization.

100191091002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16698515172.

The product of its (nonzero) digits is 162, while the sum is 24.

Subtracting 100191091002 from its reverse (200190191001), we obtain a palindrome (99999099999).

The spelling of 100191091002 in words is "one hundred billion, one hundred ninety-one million, ninety-one thousand, two".