11221333002001 has 2 divisors, whose sum is σ = 11221333002002. Its totient is φ = 11221333002000.

The previous prime is 11221333001941. The next prime is 11221333002007. The reversal of 11221333002001 is 10020033312211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7978794504976 + 3242538497025 = 2824676^2 + 1800705^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221333002001 - 2³⁷ = 11083894048529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11221333002001.

It is not a weakly prime, because it can be changed into another prime (11221333002007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610666501000 + 5610666501001.

It is an arithmetic number, because the mean of its divisors is an integer number (5610666501001).

Almost surely, 2^{11221333002001} is an apocalyptic number.

It is an amenable number.

11221333002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221333002001 is an equidigital number, since it uses as much as digits as its factorization.

11221333002001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11221333002001 its reverse (10020033312211), we get a palindrome (21241366314212).

The spelling of 11221333002001 in words is "eleven trillion, two hundred twenty-one billion, three hundred thirty-three million, two thousand, one".