11123322220 has 12 divisors (see below), whose sum is σ = 23358976704. Its totient is φ = 4449328880.

The previous prime is 11123322187. The next prime is 11123322227. The reversal of 11123322220 is 2222332111.

It is not an unprimeable number, because it can be changed into a prime (11123322227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278083036 + ... + 278083075.

It is an arithmetic number, because the mean of its divisors is an integer number (1946581392).

Almost surely, 2^11123322220 is an apocalyptic number.

11123322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123322220 is an abundant number, since it is smaller than the sum of its proper divisors (12235654484).

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

11123322220 is a wasteful number, since it uses less digits than its factorization.

11123322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556166120 (or 556166118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11123322220 its reverse (2222332111), we get a palindrome (13345654331).

The spelling of 11123322220 in words is "eleven billion, one hundred twenty-three million, three hundred twenty-two thousand, two hundred twenty".