13021011131203 has 4 divisors (see below), whose sum is σ = 13054484167920. Its totient is φ = 12987538094488.

The previous prime is 13021011131171. The next prime is 13021011131209. The reversal of 13021011131203 is 30213111012031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13021011131203 - 2⁵ = 13021011131171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021011131209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16736517775 + ... + 16736518552.

It is an arithmetic number, because the mean of its divisors is an integer number (3263621041980).

Almost surely, 2^{13021011131203} is an apocalyptic number.

13021011131203 is a deficient number, since it is larger than the sum of its proper divisors (33473036717).

13021011131203 is an equidigital number, since it uses as much as digits as its factorization.

13021011131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33473036716.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13021011131203 its reverse (30213111012031), we get a palindrome (43234122143234).

The spelling of 13021011131203 in words is "thirteen trillion, twenty-one billion, eleven million, one hundred thirty-one thousand, two hundred three".