11100113312 has 48 divisors (see below), whose sum is σ = 22830935400. Its totient is φ = 5305574400.

The previous prime is 11100113287. The next prime is 11100113317. The reversal of 11100113312 is 21331100111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10684116496 + 415996816 = 103364^2 + 20396^2 .

It is not an unprimeable number, because it can be changed into a prime (11100113317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34514 + ... + 152942.

Almost surely, 2^11100113312 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 11100113312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11415467700).

11100113312 is an abundant number, since it is smaller than the sum of its proper divisors (11730822088).

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

11100113312 is a wasteful number, since it uses less digits than its factorization.

11100113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118569 (or 118561 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11100113312 its reverse (21331100111), we get a palindrome (32431213423).

The spelling of 11100113312 in words is "eleven billion, one hundred million, one hundred thirteen thousand, three hundred twelve".