11221097 has 2 divisors, whose sum is σ = 11221098. Its totient is φ = 11221096.

The previous prime is 11221087. The next prime is 11221103. The reversal of 11221097 is 79012211.

11221097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5740816 + 5480281 = 2396^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221097 - 2⁸ = 11220841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11221087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610548 + 5610549.

It is an arithmetic number, because the mean of its divisors is an integer number (5610549).

Almost surely, 2^11221097 is an apocalyptic number.

It is an amenable number.

11221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221097 is an equidigital number, since it uses as much as digits as its factorization.

11221097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11221097 is about 3349.7905904698. The cubic root of 11221097 is about 223.8781823291.

The spelling of 11221097 in words is "eleven million, two hundred twenty-one thousand, ninety-seven".