13101232123321 has 4 divisors (see below), whose sum is σ = 13143907146832. Its totient is φ = 13058557099812.

The previous prime is 13101232123229. The next prime is 13101232123327. The reversal of 13101232123321 is 12332123210131.

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 13101232123321 - 2²¹ = 13101230026169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101232123327) 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, 21337511295 + ... + 21337511908.

It is an arithmetic number, because the mean of its divisors is an integer number (3285976786708).

Almost surely, 2^{13101232123321} is an apocalyptic number.

It is an amenable number.

13101232123321 is a deficient number, since it is larger than the sum of its proper divisors (42675023511).

13101232123321 is an equidigital number, since it uses as much as digits as its factorization.

13101232123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42675023510.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13101232123321 its reverse (12332123210131), we get a palindrome (25433355333452).

The spelling of 13101232123321 in words is "thirteen trillion, one hundred one billion, two hundred thirty-two million, one hundred twenty-three thousand, three hundred twenty-one".