10091821112 has 16 divisors (see below), whose sum is σ = 20035233360. Its totient is φ = 4749092224.

The previous prime is 10091821093. The next prime is 10091821123. The reversal of 10091821112 is 21112819001.

It is a congruent 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, 37102148 + ... + 37102419.

It is an arithmetic number, because the mean of its divisors is an integer number (1252202085).

Almost surely, 2^10091821112 is an apocalyptic number.

It is an amenable number.

10091821112 is a deficient number, since it is larger than the sum of its proper divisors (9943412248).

10091821112 is a wasteful number, since it uses less digits than its factorization.

10091821112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74204590 (or 74204586 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 10091821112 in words is "ten billion, ninety-one million, eight hundred twenty-one thousand, one hundred twelve".