11109242 has 4 divisors (see below), whose sum is σ = 16663866. Its totient is φ = 5554620.

The previous prime is 11109227. The next prime is 11109289. The reversal of 11109242 is 24290111.

11109242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24290111 = 139 ⋅174749.

It can be written as a sum of positive squares in only one way, i.e., 7349521 + 3759721 = 2711^2 + 1939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777309 + ... + 2777312.

Almost surely, 2^11109242 is an apocalyptic number.

11109242 is a deficient number, since it is larger than the sum of its proper divisors (5554624).

11109242 is an equidigital number, since it uses as much as digits as its factorization.

11109242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554623.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11109242 is about 3333.0529548749. The cubic root of 11109242 is about 223.1318035467.

Adding to 11109242 its reverse (24290111), we get a palindrome (35399353).

The spelling of 11109242 in words is "eleven million, one hundred nine thousand, two hundred forty-two".