13201113021 has 4 divisors (see below), whose sum is σ = 17601484032. Its totient is φ = 8800742012.

The previous prime is 13201113011. The next prime is 13201113073. The reversal of 13201113021 is 12031110231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13201113021 - 2¹¹ = 13201110973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201113011) 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, 2200185501 + ... + 2200185506.

It is an arithmetic number, because the mean of its divisors is an integer number (4400371008).

Almost surely, 2^13201113021 is an apocalyptic number.

It is an amenable number.

13201113021 is a deficient number, since it is larger than the sum of its proper divisors (4400371011).

13201113021 is an equidigital number, since it uses as much as digits as its factorization.

13201113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400371010.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13201113021 its reverse (12031110231), we get a palindrome (25232223252).

The spelling of 13201113021 in words is "thirteen billion, two hundred one million, one hundred thirteen thousand, twenty-one".