11321120 has 48 divisors (see below), whose sum is σ = 26966520. Its totient is φ = 4491264.

The previous prime is 11321119. The next prime is 11321137. The reversal of 11321120 is 2112311.

11321120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11316496 + 4624 = 3364^2 + 68^2 .

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, 27476 + ... + 27884.

Almost surely, 2^11321120 is an apocalyptic number.

11321120 is a gapful number since it is divisible by the number (10) 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 11321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13483260).

11321120 is an abundant number, since it is smaller than the sum of its proper divisors (15645400).

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

11321120 is a wasteful number, since it uses less digits than its factorization.

11321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11321120 is about 3364.6872068589. The cubic root of 11321120 is about 224.5414198968.

Adding to 11321120 its reverse (2112311), we get a palindrome (13433431).

The spelling of 11321120 in words is "eleven million, three hundred twenty-one thousand, one hundred twenty".