10091910919100 has 18 divisors (see below), whose sum is σ = 21899446694664. Its totient is φ = 4036764367600.

The previous prime is 10091910919021. The next prime is 10091910919133. The reversal of 10091910919100 is 191901919001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50459554496 + ... + 50459554695.

Almost surely, 2^{10091910919100} is an apocalyptic number.

10091910919100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10091910919100 is an abundant number, since it is smaller than the sum of its proper divisors (11807535775564).

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

10091910919100 is a wasteful number, since it uses less digits than its factorization.

10091910919100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100919109205 (or 100919109198 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 41.

Subtracting from 10091910919100 its reverse (191901919001), we obtain a palindrome (9900009000099).

The spelling of 10091910919100 in words is "ten trillion, ninety-one billion, nine hundred ten million, nine hundred nineteen thousand, one hundred".