11121080 has 32 divisors (see below), whose sum is σ = 26341200. Its totient is φ = 4214016.

The previous prime is 11121041. The next prime is 11121083. The reversal of 11121080 is 8012111.

11121080 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 not an unprimeable number, because it can be changed into a prime (11121083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6557 + ... + 8076.

Almost surely, 2^11121080 is an apocalyptic number.

11121080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121080 is an abundant number, since it is smaller than the sum of its proper divisors (15220120).

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

11121080 is a wasteful number, since it uses less digits than its factorization.

11121080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14663 (or 14659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 11121080 is about 3334.8283314138. The cubic root of 11121080 is about 223.2110317728.

Adding to 11121080 its reverse (8012111), we get a palindrome (19133191).

The spelling of 11121080 in words is "eleven million, one hundred twenty-one thousand, eighty".