11121041 has 2 divisors, whose sum is σ = 11121042. Its totient is φ = 11121040.

The previous prime is 11121037. The next prime is 11121083. The reversal of 11121041 is 14012111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 1690000 = 3071^2 + 1300^2 .

It is an emirp because it is prime and its reverse (14012111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11121041 - 2² = 11121037 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121841) 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 as a sum of consecutive naturals, namely, 5560520 + 5560521.

It is an arithmetic number, because the mean of its divisors is an integer number (5560521).

Almost surely, 2^11121041 is an apocalyptic number.

It is an amenable number.

11121041 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121041 is an equidigital number, since it uses as much as digits as its factorization.

11121041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11121041 is about 3334.8224840312. The cubic root of 11121041 is about 223.2107708496.

Adding to 11121041 its reverse (14012111), we get a palindrome (25133152).

The spelling of 11121041 in words is "eleven million, one hundred twenty-one thousand, forty-one".