13221130500143 has 4 divisors (see below), whose sum is σ = 13221584286720. Its totient is φ = 13220676713568.

The previous prime is 13221130500121. The next prime is 13221130500223. The reversal of 13221130500143 is 34100503112231.

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 13221130500143 - 2⁸ = 13221130499887 is a prime.

It is a super-2 number, since 2×13221130500143² (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 (13221130500113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226849583 + ... + 226907856.

It is an arithmetic number, because the mean of its divisors is an integer number (3305396071680).

Almost surely, 2^{13221130500143} is an apocalyptic number.

13221130500143 is a deficient number, since it is larger than the sum of its proper divisors (453786577).

13221130500143 is an equidigital number, since it uses as much as digits as its factorization.

13221130500143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453786576.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13221130500143 its reverse (34100503112231), we get a palindrome (47321633612374).

The spelling of 13221130500143 in words is "thirteen trillion, two hundred twenty-one billion, one hundred thirty million, five hundred thousand, one hundred forty-three".