13003450522021 has 48 divisors (see below), whose sum is σ = 13818460336128. Its totient is φ = 12227925528000.

The previous prime is 13003450522019. The next prime is 13003450522033. The reversal of 13003450522021 is 12022505430031.

13003450522021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13003450522021 - 2¹ = 13003450522019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003450522061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1415413990 + ... + 1415423176.

It is an arithmetic number, because the mean of its divisors is an integer number (287884590336).

Almost surely, 2^{13003450522021} is an apocalyptic number.

It is an amenable number.

13003450522021 is a deficient number, since it is larger than the sum of its proper divisors (815009814107).

13003450522021 is an equidigital number, since it uses as much as digits as its factorization.

13003450522021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562 (or 9509 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13003450522021 its reverse (12022505430031), we get a palindrome (25025955952052).

The spelling of 13003450522021 in words is "thirteen trillion, three billion, four hundred fifty million, five hundred twenty-two thousand, twenty-one".