1321103113004 has 12 divisors (see below), whose sum is σ = 2312028315744. Its totient is φ = 660523594224.

The previous prime is 1321103112997. The next prime is 1321103113051. The reversal of 1321103113004 is 4003113011231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6884087 + ... + 7073390.

It is an arithmetic number, because the mean of its divisors is an integer number (192669026312).

Almost surely, 2^{1321103113004} is an apocalyptic number.

It is an amenable number.

1321103113004 is a deficient number, since it is larger than the sum of its proper divisors (990925202740).

1321103113004 is a wasteful number, since it uses less digits than its factorization.

1321103113004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13981144 (or 13981142 counting only the distinct ones).

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

Adding to 1321103113004 its reverse (4003113011231), we get a palindrome (5324216124235).

The spelling of 1321103113004 in words is "one trillion, three hundred twenty-one billion, one hundred three million, one hundred thirteen thousand, four".