13001011121 has 8 divisors (see below), whose sum is σ = 14859371520. Its totient is φ = 11142919008.

The previous prime is 13001011097. The next prime is 13001011151. The reversal of 13001011121 is 12111010031.

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 13001011121 - 2²⁶ = 12933902257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13001011151) 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, 50525 + ... + 168981.

It is an arithmetic number, because the mean of its divisors is an integer number (1857421440).

Almost surely, 2^13001011121 is an apocalyptic number.

It is an amenable number.

13001011121 is a deficient number, since it is larger than the sum of its proper divisors (1858360399).

13001011121 is a wasteful number, since it uses less digits than its factorization.

13001011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134143.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 13001011121 its reverse (12111010031), we get a palindrome (25112021152).

The spelling of 13001011121 in words is "thirteen billion, one million, eleven thousand, one hundred twenty-one".