100091091010 has 16 divisors (see below), whose sum is σ = 181816846200. Its totient is φ = 39669129216.

The previous prime is 100091090989. The next prime is 100091091047. The reversal of 100091091010 is 10190190001.

It can be written as a sum of positive squares in 4 ways, for example, as 84121461369 + 15969629641 = 290037^2 + 126371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45912255 + ... + 45914434.

Almost surely, 2^100091091010 is an apocalyptic number.

100091091010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100091091010 is a deficient number, since it is larger than the sum of its proper divisors (81725755190).

100091091010 is a wasteful number, since it uses less digits than its factorization.

100091091010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91826805.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 100091091010 in words is "one hundred billion, ninety-one million, ninety-one thousand, ten".