13130121121 has 8 divisors (see below), whose sum is σ = 14150493504. Its totient is φ = 12111229200.

The previous prime is 13130121091. The next prime is 13130121131. The reversal of 13130121121 is 12112103131.

It is a happy number.

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 13130121121 - 2⁵ = 13130121089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130121095 and 13130121104.

It is not an unprimeable number, because it can be changed into a prime (13130121131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351655 + ... + 387196.

It is an arithmetic number, because the mean of its divisors is an integer number (1768811688).

Almost surely, 2^13130121121 is an apocalyptic number.

It is an amenable number.

13130121121 is a deficient number, since it is larger than the sum of its proper divisors (1020372383).

13130121121 is a wasteful number, since it uses less digits than its factorization.

13130121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740231.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13130121121 its reverse (12112103131), we get a palindrome (25242224252).

The spelling of 13130121121 in words is "thirteen billion, one hundred thirty million, one hundred twenty-one thousand, one hundred twenty-one".