9100112100 has 72 divisors (see below), whose sum is σ = 26408080608. Its totient is φ = 2419468800.

The previous prime is 9100112089. The next prime is 9100112141. The reversal of 9100112100 is 12110019.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 9100112100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56095 + ... + 146105.

Almost surely, 2^9100112100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9100112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13204040304).

9100112100 is an abundant number, since it is smaller than the sum of its proper divisors (17307968508).

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

9100112100 is a wasteful number, since it uses less digits than its factorization.

9100112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90365 (or 90358 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 9100112100 is about 95394.5077035361. The cubic root of 9100112100 is about 2087.7680514428.

Adding to 9100112100 its reverse (12110019), we get a palindrome (9112222119).

The spelling of 9100112100 in words is "nine billion, one hundred million, one hundred twelve thousand, one hundred".