11122189 has 8 divisors (see below), whose sum is σ = 12027960. Its totient is φ = 10223616.

The previous prime is 11122187. The next prime is 11122217. The reversal of 11122189 is 98122111.

11122189 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 2301289 + 8820900 = 1517^2 + 2970^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11122189 - 2¹ = 11122187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122187) 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, 1677 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (1503495).

Almost surely, 2^11122189 is an apocalyptic number.

It is an amenable number.

11122189 is a deficient number, since it is larger than the sum of its proper divisors (905771).

11122189 is a wasteful number, since it uses less digits than its factorization.

11122189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its digits is 288, while the sum is 25.

The square root of 11122189 is about 3334.9946026943. The cubic root of 11122189 is about 223.2184511003.

It can be divided in two parts, 11122 and 189, that added together give a palindrome (11311).

The spelling of 11122189 in words is "eleven million, one hundred twenty-two thousand, one hundred eighty-nine".