13013333121 has 16 divisors (see below), whose sum is σ = 17490022848. Its totient is φ = 8606188800.

The previous prime is 13013333119. The next prime is 13013333131. The reversal of 13013333121 is 12133331031.

It is not a de Polignac number, because 13013333121 - 2¹ = 13013333119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13013333131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618901 + ... + 639581.

It is an arithmetic number, because the mean of its divisors is an integer number (1093126428).

Almost surely, 2^13013333121 is an apocalyptic number.

It is an amenable number.

13013333121 is a deficient number, since it is larger than the sum of its proper divisors (4476689727).

13013333121 is a wasteful number, since it uses less digits than its factorization.

13013333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22352.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13013333121 its reverse (12133331031), we get a palindrome (25146664152).

The spelling of 13013333121 in words is "thirteen billion, thirteen million, three hundred thirty-three thousand, one hundred twenty-one".