1321441331104 has 24 divisors (see below), whose sum is σ = 2601620441280. Its totient is φ = 660712330176.

The previous prime is 1321441331087. The next prime is 1321441331107. The reversal of 1321441331104 is 4011331441231.

It is a super-2 number, since 2×1321441331104² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1321441331107) 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, 2909017 + ... + 3332455.

It is an arithmetic number, because the mean of its divisors is an integer number (108400851720).

Almost surely, 2^{1321441331104} is an apocalyptic number.

It is an amenable number.

1321441331104 is a deficient number, since it is larger than the sum of its proper divisors (1280179110176).

1321441331104 is an equidigital number, since it uses as much as digits as its factorization.

1321441331104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520972 (or 520964 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1321441331104 its reverse (4011331441231), we get a palindrome (5332772772335).

The spelling of 1321441331104 in words is "one trillion, three hundred twenty-one billion, four hundred forty-one million, three hundred thirty-one thousand, one hundred four".