1130323321021 has 4 divisors (see below), whose sum is σ = 1130403064572. Its totient is φ = 1130243577472.

The previous prime is 1130323321013. The next prime is 1130323321063. The reversal of 1130323321021 is 1201233230311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 550547676121 + 579775644900 = 741989^2 + 761430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130323321021 - 2³ = 1130323321013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130323320983 and 1130323321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130323321081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39850510 + ... + 39878863.

It is an arithmetic number, because the mean of its divisors is an integer number (282600766143).

Almost surely, 2^{1130323321021} is an apocalyptic number.

It is an amenable number.

1130323321021 is a deficient number, since it is larger than the sum of its proper divisors (79743551).

1130323321021 is an equidigital number, since it uses as much as digits as its factorization.

1130323321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79743550.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1130323321021 its reverse (1201233230311), we get a palindrome (2331556551332).

The spelling of 1130323321021 in words is "one trillion, one hundred thirty billion, three hundred twenty-three million, three hundred twenty-one thousand, twenty-one".