1321332001441 has 8 divisors (see below), whose sum is σ = 1325184879744. Its totient is φ = 1317479382480.

The previous prime is 1321332001439. The next prime is 1321332001447. The reversal of 1321332001441 is 1441002331231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1321332001441 - 2¹ = 1321332001439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321332001447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15691336 + ... + 15775318.

It is an arithmetic number, because the mean of its divisors is an integer number (165648109968).

Almost surely, 2^{1321332001441} is an apocalyptic number.

It is an amenable number.

1321332001441 is a deficient number, since it is larger than the sum of its proper divisors (3852878303).

1321332001441 is an equidigital number, since it uses as much as digits as its factorization.

1321332001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129671.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1321332001441 its reverse (1441002331231), we get a palindrome (2762334332672).

The spelling of 1321332001441 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-two million, one thousand, four hundred forty-one".