13021321311103 has 12 divisors (see below), whose sum is σ = 15147329866680. Its totient is φ = 11161074676752.

The previous prime is 13021321311083. The next prime is 13021321311169. The reversal of 13021321311103 is 30111312312031.

It is not a de Polignac number, because 13021321311103 - 2¹³ = 13021321302911 is a prime.

It is a super-2 number, since 2×13021321311103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021321321103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10788025 + ... + 11934157.

It is an arithmetic number, because the mean of its divisors is an integer number (1262277488890).

Almost surely, 2^{13021321311103} is an apocalyptic number.

13021321311103 is a deficient number, since it is larger than the sum of its proper divisors (2126008555577).

13021321311103 is a wasteful number, since it uses less digits than its factorization.

13021321311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378006 (or 1377999 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13021321311103 its reverse (30111312312031), we get a palindrome (43132633623134).

The spelling of 13021321311103 in words is "thirteen trillion, twenty-one billion, three hundred twenty-one million, three hundred eleven thousand, one hundred three".