11102221120 has 28 divisors (see below), whose sum is σ = 26437164804. Its totient is φ = 4440888320.

The previous prime is 11102221103. The next prime is 11102221129. The reversal of 11102221120 is 2112220111.

11102221120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1215498496 + 9886722624 = 34864^2 + 99432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11102221120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102221129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17346901 + ... + 17347540.

Almost surely, 2^11102221120 is an apocalyptic number.

11102221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102221120 is an abundant number, since it is smaller than the sum of its proper divisors (15334943684).

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

11102221120 is an equidigital number, since it uses as much as digits as its factorization.

11102221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34694458 (or 34694448 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11102221120 its reverse (2112220111), we get a palindrome (13214441231).

The spelling of 11102221120 in words is "eleven billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty".