1130320323221 has 2 divisors, whose sum is σ = 1130320323222. Its totient is φ = 1130320323220.

The previous prime is 1130320323191. The next prime is 1130320323227. The reversal of 1130320323221 is 1223230230311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825962880625 + 304357442596 = 908825^2 + 551686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130320323221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130320323227) 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, 565160161610 + 565160161611.

It is an arithmetic number, because the mean of its divisors is an integer number (565160161611).

Almost surely, 2^{1130320323221} is an apocalyptic number.

It is an amenable number.

1130320323221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130320323221 is an equidigital number, since it uses as much as digits as its factorization.

1130320323221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1130320323221 its reverse (1223230230311), we get a palindrome (2353550553532).

It can be divided in two parts, 1130320 and 323221, that added together give a palindrome (1453541).

The spelling of 1130320323221 in words is "one trillion, one hundred thirty billion, three hundred twenty million, three hundred twenty-three thousand, two hundred twenty-one".