11221112 has 32 divisors (see below), whose sum is σ = 24222720.
Its totient is φ = 4773600.
The previous prime is 11221103. The next prime is 11221123. The reversal of 11221112 is 21112211.
Adding to 11221112 its reverse (21112211), we get a palindrome (32333323).
11221112 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
11221112 is strictly pandigital in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 11221093 and 11221102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7793 + ... + 9119.
It is an arithmetic number, because the mean of its divisors is an integer number (756960).
Almost surely, 211221112 is an apocalyptic number.
It is an amenable number.
11221112 is an abundant number, since it is smaller than the sum of its proper divisors (13001608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11221112 is a wasteful number, since it uses less digits than its factorization.
11221112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1491 (or 1487 counting only the distinct ones).
The product of its digits is 8, while the sum is 11.
The square root of 11221112 is about 3349.7928294150.
The cubic root of 11221112 is about 223.8782820868.
The spelling of 11221112 in words is "eleven million, two hundred twenty-one thousand, one hundred twelve".