4441101443221 has 2 divisors, whose sum is σ = 4441101443222. Its totient is φ = 4441101443220.

The previous prime is 4441101443213. The next prime is 4441101443257. The reversal of 4441101443221 is 1223441011444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4420565120196 + 20536323025 = 2102514^2 + 143305^2 .

It is a cyclic number.

It is not a de Polignac number, because 4441101443221 - 2³ = 4441101443213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4441101443021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220550721610 + 2220550721611.

It is an arithmetic number, because the mean of its divisors is an integer number (2220550721611).

Almost surely, 2^{4441101443221} is an apocalyptic number.

It is an amenable number.

4441101443221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4441101443221 is an equidigital number, since it uses as much as digits as its factorization.

4441101443221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 4441101443221 its reverse (1223441011444), we get a palindrome (5664542454665).

The spelling of 4441101443221 in words is "four trillion, four hundred forty-one billion, one hundred one million, four hundred forty-three thousand, two hundred twenty-one".