1113321203321 has 2 divisors, whose sum is σ = 1113321203322. Its totient is φ = 1113321203320.

The previous prime is 1113321203297. The next prime is 1113321203339. The reversal of 1113321203321 is 1233021233111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036904341225 + 76416862096 = 1018285^2 + 276436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113321203321 - 2¹⁰ = 1113321202297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113321203341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556660601660 + 556660601661.

It is an arithmetic number, because the mean of its divisors is an integer number (556660601661).

Almost surely, 2^{1113321203321} is an apocalyptic number.

It is an amenable number.

1113321203321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113321203321 is an equidigital number, since it uses as much as digits as its factorization.

1113321203321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1113321203321 its reverse (1233021233111), we get a palindrome (2346342436432).

The spelling of 1113321203321 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, two hundred three thousand, three hundred twenty-one".