1110323201321 has 4 divisors (see below), whose sum is σ = 1112055375444. Its totient is φ = 1108591027200.

The previous prime is 1110323201263. The next prime is 1110323201363. The reversal of 1110323201321 is 1231023230111.

It is a happy number.

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 905780475625 + 204542725696 = 951725^2 + 452264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110323201321 is a prime.

It is a super-2 number, since 2×1110323201321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110323201293 and 1110323201302.

It is not an unprimeable number, because it can be changed into a prime (1110323201021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866086100 + ... + 866087381.

It is an arithmetic number, because the mean of its divisors is an integer number (278013843861).

Almost surely, 2^{1110323201321} is an apocalyptic number.

It is an amenable number.

1110323201321 is a deficient number, since it is larger than the sum of its proper divisors (1732174123).

1110323201321 is an equidigital number, since it uses as much as digits as its factorization.

1110323201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732174122.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1110323201321 its reverse (1231023230111), we get a palindrome (2341346431432).

The spelling of 1110323201321 in words is "one trillion, one hundred ten billion, three hundred twenty-three million, two hundred one thousand, three hundred twenty-one".