1104342413221 has 2 divisors, whose sum is σ = 1104342413222. Its totient is φ = 1104342413220.

The previous prime is 1104342413219. The next prime is 1104342413227. The reversal of 1104342413221 is 1223142434011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731615069025 + 372727344196 = 855345^2 + 610514^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104342413221 - 2¹ = 1104342413219 is a prime.

Together with 1104342413219, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1104342413221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104342413227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552171206610 + 552171206611.

It is an arithmetic number, because the mean of its divisors is an integer number (552171206611).

Almost surely, 2^{1104342413221} is an apocalyptic number.

It is an amenable number.

1104342413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104342413221 is an equidigital number, since it uses as much as digits as its factorization.

1104342413221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1104342413221 its reverse (1223142434011), we get a palindrome (2327484847232).

The spelling of 1104342413221 in words is "one trillion, one hundred four billion, three hundred forty-two million, four hundred thirteen thousand, two hundred twenty-one".