11121132 has 48 divisors (see below), whose sum is σ = 28530432. Its totient is φ = 3343680.

The previous prime is 11121083. The next prime is 11121139. The reversal of 11121132 is 23112111.

It is a super-2 number, since 2×11121132² = 247359153922848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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.

It is not an unprimeable number, because it can be changed into a prime (11121139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22593 + ... + 23079.

It is an arithmetic number, because the mean of its divisors is an integer number (594384).

Almost surely, 2^11121132 is an apocalyptic number.

11121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11121132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14265216).

11121132 is an abundant number, since it is smaller than the sum of its proper divisors (17409300).

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

11121132 is a wasteful number, since it uses less digits than its factorization.

11121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 676 counting only the distinct ones).

The product of its digits is 12, while the sum is 12.

The square root of 11121132 is about 3334.8361279079. The cubic root of 11121132 is about 223.2113796693.

Adding to 11121132 its reverse (23112111), we get a palindrome (34233243).

The spelling of 11121132 in words is "eleven million, one hundred twenty-one thousand, one hundred thirty-two".