13101023042321 has 4 divisors (see below), whose sum is σ = 13101030641700. Its totient is φ = 13101015442944.

The previous prime is 13101023042291. The next prime is 13101023042333. The reversal of 13101023042321 is 12324032010131.

13101023042321 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12815247265921 + 285775776400 = 3579839^2 + 534580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13101023042321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101023042351) 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, 165665 + ... + 5121473.

It is an arithmetic number, because the mean of its divisors is an integer number (3275257660425).

Almost surely, 2^{13101023042321} is an apocalyptic number.

It is an amenable number.

13101023042321 is a deficient number, since it is larger than the sum of its proper divisors (7599379).

13101023042321 is an equidigital number, since it uses as much as digits as its factorization.

13101023042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599378.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13101023042321 its reverse (12324032010131), we get a palindrome (25425055052452).

The spelling of 13101023042321 in words is "thirteen trillion, one hundred one billion, twenty-three million, forty-two thousand, three hundred twenty-one".