11121193 has 4 divisors (see below), whose sum is σ = 11130628. Its totient is φ = 11111760.

The previous prime is 11121163. The next prime is 11121197. The reversal of 11121193 is 39112111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6906384 + 4214809 = 2628^2 + 2053^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121193 - 2¹⁷ = 10990121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11121193.

It is not an unprimeable number, because it can be changed into a prime (11121197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (2782657).

Almost surely, 2^11121193 is an apocalyptic number.

It is an amenable number.

11121193 is a deficient number, since it is larger than the sum of its proper divisors (9435).

11121193 is an equidigital number, since it uses as much as digits as its factorization.

11121193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9434.

The product of its digits is 54, while the sum is 19.

The square root of 11121193 is about 3334.8452737721. The cubic root of 11121193 is about 223.2117877773.

The spelling of 11121193 in words is "eleven million, one hundred twenty-one thousand, one hundred ninety-three".