11189121 has 8 divisors (see below), whose sum is σ = 15005760. Its totient is φ = 7415952.

The previous prime is 11189117. The next prime is 11189131. The reversal of 11189121 is 12198111.

11189121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11189121 - 2² = 11189117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11189091 and 11189100.

It is not an unprimeable number, because it can be changed into a prime (11189131) 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, 10261 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (1875720).

Almost surely, 2^11189121 is an apocalyptic number.

It is an amenable number.

11189121 is a deficient number, since it is larger than the sum of its proper divisors (3816639).

11189121 is a wasteful number, since it uses less digits than its factorization.

11189121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21735.

The product of its digits is 144, while the sum is 24.

The square root of 11189121 is about 3345.0143497450. The cubic root of 11189121 is about 223.6653231806.

The spelling of 11189121 in words is "eleven million, one hundred eighty-nine thousand, one hundred twenty-one".