1104344340221 has 2 divisors, whose sum is σ = 1104344340222. Its totient is φ = 1104344340220.

The previous prime is 1104344340149. The next prime is 1104344340269. The reversal of 1104344340221 is 1220434434011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 564773292196 + 539571048025 = 751514^2 + 734555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104344340221 - 2²² = 1104340145917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104344342221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552172170110 + 552172170111.

It is an arithmetic number, because the mean of its divisors is an integer number (552172170111).

Almost surely, 2^{1104344340221} is an apocalyptic number.

It is an amenable number.

1104344340221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104344340221 is an equidigital number, since it uses as much as digits as its factorization.

1104344340221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1104344340221 its reverse (1220434434011), we get a palindrome (2324778774232).

The spelling of 1104344340221 in words is "one trillion, one hundred four billion, three hundred forty-four million, three hundred forty thousand, two hundred twenty-one".