9091820109100 has 36 divisors (see below), whose sum is σ = 19733472617544. Its totient is φ = 3635949614080.

The previous prime is 9091820109037. The next prime is 9091820109167. The reversal of 9091820109100 is 19010281909.

It is a super-2 number, since 2×9091820109100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9260734 + ... + 10195333.

It is an arithmetic number, because the mean of its divisors is an integer number (548152017154).

Almost surely, 2^{9091820109100} is an apocalyptic number.

It is an amenable number.

9091820109100 is an abundant number, since it is smaller than the sum of its proper divisors (10641652508444).

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

9091820109100 is a wasteful number, since it uses less digits than its factorization.

9091820109100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19460754 (or 19460747 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 9091820109100 in words is "nine trillion, ninety-one billion, eight hundred twenty million, one hundred nine thousand, one hundred".