11012221221241 has 2 divisors, whose sum is σ = 11012221221242. Its totient is φ = 11012221221240.

The previous prime is 11012221221217. The next prime is 11012221221257. The reversal of 11012221221241 is 14212212221011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7827349107600 + 3184872113641 = 2797740^2 + 1784621^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012221221241 - 2⁹ = 11012221220729 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012221221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506110610620 + 5506110610621.

It is an arithmetic number, because the mean of its divisors is an integer number (5506110610621).

Almost surely, 2^{11012221221241} is an apocalyptic number.

It is an amenable number.

11012221221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012221221241 is an equidigital number, since it uses as much as digits as its factorization.

11012221221241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 11012221221241 its reverse (14212212221011), we get a palindrome (25224433442252).

The spelling of 11012221221241 in words is "eleven trillion, twelve billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-one".