13140310121121 has 4 divisors (see below), whose sum is σ = 17520413494832. Its totient is φ = 8760206747412.

The previous prime is 13140310121111. The next prime is 13140310121171. The reversal of 13140310121121 is 12112101304131.

It is a happy number.

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 de Polignac number, because none of the positive numbers 2^k-13140310121121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140310121111) 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, 2190051686851 + ... + 2190051686856.

It is an arithmetic number, because the mean of its divisors is an integer number (4380103373708).

Almost surely, 2^{13140310121121} is an apocalyptic number.

It is an amenable number.

13140310121121 is a deficient number, since it is larger than the sum of its proper divisors (4380103373711).

13140310121121 is an equidigital number, since it uses as much as digits as its factorization.

13140310121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380103373710.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 13140310121121 its reverse (12112101304131), we get a palindrome (25252411425252).

The spelling of 13140310121121 in words is "thirteen trillion, one hundred forty billion, three hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".