11221061 has 2 divisors, whose sum is σ = 11221062. Its totient is φ = 11221060.

The previous prime is 11221051. The next prime is 11221069. The reversal of 11221061 is 16012211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7344100 + 3876961 = 2710^2 + 1969^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221061 - 2⁶ = 11220997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221069) 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, 5610530 + 5610531.

It is an arithmetic number, because the mean of its divisors is an integer number (5610531).

Almost surely, 2^11221061 is an apocalyptic number.

It is an amenable number.

11221061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221061 is an equidigital number, since it uses as much as digits as its factorization.

11221061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 11221061 is about 3349.7852169953. The cubic root of 11221061 is about 223.8779429103.

Adding to 11221061 its reverse (16012211), we get a palindrome (27233272).

The spelling of 11221061 in words is "eleven million, two hundred twenty-one thousand, sixty-one".