13101011421 has 4 divisors (see below), whose sum is σ = 17468015232. Its totient is φ = 8734007612.

The previous prime is 13101011411. The next prime is 13101011437. The reversal of 13101011421 is 12411010131.

13101011421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13101011421 - 2⁷ = 13101011293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13101011421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101011411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183501901 + ... + 2183501906.

It is an arithmetic number, because the mean of its divisors is an integer number (4367003808).

Almost surely, 2^13101011421 is an apocalyptic number.

It is an amenable number.

13101011421 is a deficient number, since it is larger than the sum of its proper divisors (4367003811).

13101011421 is an equidigital number, since it uses as much as digits as its factorization.

13101011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367003810.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13101011421 its reverse (12411010131), we get a palindrome (25512021552).

The spelling of 13101011421 in words is "thirteen billion, one hundred one million, eleven thousand, four hundred twenty-one".