9910891100 has 36 divisors (see below), whose sum is σ = 23461784808. Its totient is φ = 3603960000.

The previous prime is 9910891073. The next prime is 9910891121. The reversal of 9910891100 is 11980199.

It is a happy number.

9910891100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4503851 + ... + 4506050.

Almost surely, 2^9910891100 is an apocalyptic number.

It is an amenable number.

9910891100 is an abundant number, since it is smaller than the sum of its proper divisors (13550893708).

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

9910891100 is a wasteful number, since it uses less digits than its factorization.

9910891100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009926 (or 9009919 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 9910891100 is about 99553.4585034593. The cubic root of 9910891100 is about 2148.0162773429.

The spelling of 9910891100 in words is "nine billion, nine hundred ten million, eight hundred ninety-one thousand, one hundred".