13111143324421 has 8 divisors (see below), whose sum is σ = 13132372988288. Its totient is φ = 13089915090000.

The previous prime is 13111143324313. The next prime is 13111143324437. The reversal of 13111143324421 is 12442334111131.

13111143324421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13111143324421 - 2²¹ = 13111141227269 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 (13111143322421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18834871 + ... + 19518571.

It is an arithmetic number, because the mean of its divisors is an integer number (1641546623536).

Almost surely, 2^{13111143324421} is an apocalyptic number.

It is an amenable number.

13111143324421 is a deficient number, since it is larger than the sum of its proper divisors (21229663867).

13111143324421 is an equidigital number, since it uses as much as digits as its factorization.

13111143324421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714723.

The product of its digits is 6912, while the sum is 31.

Adding to 13111143324421 its reverse (12442334111131), we get a palindrome (25553477435552).

The spelling of 13111143324421 in words is "thirteen trillion, one hundred eleven billion, one hundred forty-three million, three hundred twenty-four thousand, four hundred twenty-one".