11220221120 has 28 divisors (see below), whose sum is σ = 26718152304. Its totient is φ = 4488088320.

The previous prime is 11220221113. The next prime is 11220221143. The reversal of 11220221120 is 2112202211.

11220221120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11220221095 and 11220221104.

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 3 ways as a sum of consecutive naturals, for example, 17531276 + ... + 17531915.

Almost surely, 2^11220221120 is an apocalyptic number.

11220221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220221120 is an abundant number, since it is smaller than the sum of its proper divisors (15497931184).

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

11220221120 is an equidigital number, since it uses as much as digits as its factorization.

11220221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35063208 (or 35063198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220221120 its reverse (2112202211), we get a palindrome (13332423331).

The spelling of 11220221120 in words is "eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty".