13131001321121 has 8 divisors (see below), whose sum is σ = 13438602334080. Its totient is φ = 12823501621392.

The previous prime is 13131001321117. The next prime is 13131001321147. The reversal of 13131001321121 is 12112310013131.

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 13131001321121 - 2² = 13131001321117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13131001321093 and 13131001321102.

It is not an unprimeable number, because it can be changed into a prime (13131001321721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25066025 + ... + 25584518.

It is an arithmetic number, because the mean of its divisors is an integer number (1679825291760).

Almost surely, 2^{13131001321121} is an apocalyptic number.

It is an amenable number.

13131001321121 is a deficient number, since it is larger than the sum of its proper divisors (307601012959).

13131001321121 is an equidigital number, since it uses as much as digits as its factorization.

13131001321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50656615.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 13131001321121 its reverse (12112310013131), we get a palindrome (25243311334252).

The spelling of 13131001321121 in words is "thirteen trillion, one hundred thirty-one billion, one million, three hundred twenty-one thousand, one hundred twenty-one".