11100112220 has 12 divisors (see below), whose sum is σ = 23310235704. Its totient is φ = 4440044880.

The previous prime is 11100112157. The next prime is 11100112249. The reversal of 11100112220 is 2221100111.

11100112220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 277502786 + ... + 277502825.

It is an arithmetic number, because the mean of its divisors is an integer number (1942519642).

Almost surely, 2^11100112220 is an apocalyptic number.

11100112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100112220 is an abundant number, since it is smaller than the sum of its proper divisors (12210123484).

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

11100112220 is a wasteful number, since it uses less digits than its factorization.

11100112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555005620 (or 555005618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11100112220 its reverse (2221100111), we get a palindrome (13321212331).

The spelling of 11100112220 in words is "eleven billion, one hundred million, one hundred twelve thousand, two hundred twenty".