11003122220 has 12 divisors (see below), whose sum is σ = 23106556704. Its totient is φ = 4401248880.

The previous prime is 11003122213. The next prime is 11003122331. The reversal of 11003122220 is 2222130011.

It is a happy number.

11003122220 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 = 11003122195 and 11003122204.

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, 275078036 + ... + 275078075.

It is an arithmetic number, because the mean of its divisors is an integer number (1925546392).

Almost surely, 2^11003122220 is an apocalyptic number.

11003122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003122220 is an abundant number, since it is smaller than the sum of its proper divisors (12103434484).

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

11003122220 is a wasteful number, since it uses less digits than its factorization.

11003122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550156120 (or 550156118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11003122220 its reverse (2222130011), we get a palindrome (13225252231).

The spelling of 11003122220 in words is "eleven billion, three million, one hundred twenty-two thousand, two hundred twenty".