9911237112 has 192 divisors, whose sum is σ = 31889894400. Its totient is φ = 2825020800.

The previous prime is 9911237093. The next prime is 9911237123. The reversal of 9911237112 is 2117321199.

It is a super-2 number, since 2×9911237112² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9538689 + ... + 9539727.

It is an arithmetic number, because the mean of its divisors is an integer number (166093200).

Almost surely, 2^9911237112 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 9911237112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15944947200).

9911237112 is an abundant number, since it is smaller than the sum of its proper divisors (21978657288).

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

9911237112 is a wasteful number, since it uses less digits than its factorization.

9911237112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1752 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 9911237112 is about 99555.1963083796. The cubic root of 9911237112 is about 2148.0412744480.

The spelling of 9911237112 in words is "nine billion, nine hundred eleven million, two hundred thirty-seven thousand, one hundred twelve".