1321002110324 has 24 divisors (see below), whose sum is σ = 2490676407240. Its totient is φ = 609424994304.

The previous prime is 1321002110293. The next prime is 1321002110327. The reversal of 1321002110324 is 4230112001231.

It can be written as a sum of positive squares in 4 ways, for example, as 519293184400 + 801708925924 = 720620^2 + 895382^2 .

It is a super-2 number, since 2×1321002110324² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321002110296 and 1321002110305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321002110327) 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, 5469989 + ... + 5706380.

It is an arithmetic number, because the mean of its divisors is an integer number (103778183635).

Almost surely, 2^{1321002110324} is an apocalyptic number.

It is an amenable number.

1321002110324 is a deficient number, since it is larger than the sum of its proper divisors (1169674296916).

1321002110324 is a wasteful number, since it uses less digits than its factorization.

1321002110324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178659 (or 11178657 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1321002110324 its reverse (4230112001231), we get a palindrome (5551114111555).

The spelling of 1321002110324 in words is "one trillion, three hundred twenty-one billion, two million, one hundred ten thousand, three hundred twenty-four".