11121110 has 96 divisors (see below), whose sum is σ = 27349056. Its totient is φ = 3168000.

The previous prime is 11121083. The next prime is 11121139. The reversal of 11121110 is 1112111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 110060 + ... + 110160.

It is an arithmetic number, because the mean of its divisors is an integer number (284886).

Almost surely, 2^11121110 is an apocalyptic number.

11121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121110 is an abundant number, since it is smaller than the sum of its proper divisors (16227946).

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

11121110 is a wasteful number, since it uses less digits than its factorization.

11121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 11121110 is about 3334.8328293934. The cubic root of 11121110 is about 223.2112324824.

Adding to 11121110 its reverse (1112111), we get a palindrome (12233221).

It can be divided in two parts, 1112 and 1110, that added together give a palindrome (2222).

The spelling of 11121110 in words is "eleven million, one hundred twenty-one thousand, one hundred ten".