1103334443221 has 2 divisors, whose sum is σ = 1103334443222. Its totient is φ = 1103334443220.

The previous prime is 1103334443179. The next prime is 1103334443261. The reversal of 1103334443221 is 1223444333011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103258230321 + 76212900 = 1050361^2 + 8730^2 .

It is an emirp because it is prime and its reverse (1223444333011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103334443221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103334443261) 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, 551667221610 + 551667221611.

It is an arithmetic number, because the mean of its divisors is an integer number (551667221611).

Almost surely, 2^{1103334443221} is an apocalyptic number.

It is an amenable number.

1103334443221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103334443221 is an equidigital number, since it uses as much as digits as its factorization.

1103334443221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1103334443221 its reverse (1223444333011), we get a palindrome (2326778776232).

It can be divided in two parts, 110333 and 4443221, that added together give a palindrome (4553554).

The spelling of 1103334443221 in words is "one trillion, one hundred three billion, three hundred thirty-four million, four hundred forty-three thousand, two hundred twenty-one".