1162203442321 has 2 divisors, whose sum is σ = 1162203442322. Its totient is φ = 1162203442320.

The previous prime is 1162203442291. The next prime is 1162203442381. The reversal of 1162203442321 is 1232443022611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618997591696 + 543205850625 = 786764^2 + 737025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162203442321 - 2¹⁷ = 1162203311249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162203442381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581101721160 + 581101721161.

It is an arithmetic number, because the mean of its divisors is an integer number (581101721161).

Almost surely, 2^{1162203442321} is an apocalyptic number.

It is an amenable number.

1162203442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162203442321 is an equidigital number, since it uses as much as digits as its factorization.

1162203442321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1162203442321 its reverse (1232443022611), we get a palindrome (2394646464932).

The spelling of 1162203442321 in words is "one trillion, one hundred sixty-two billion, two hundred three million, four hundred forty-two thousand, three hundred twenty-one".