13310021121 has 4 divisors (see below), whose sum is σ = 17746694832. Its totient is φ = 8873347412.

The previous prime is 13310021119. The next prime is 13310021201. The reversal of 13310021121 is 12112001331.

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 cyclic number.

It is not a de Polignac number, because 13310021121 - 2¹ = 13310021119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13310021121.

It is not an unprimeable number, because it can be changed into a prime (13310021521) 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, 2218336851 + ... + 2218336856.

It is an arithmetic number, because the mean of its divisors is an integer number (4436673708).

Almost surely, 2^13310021121 is an apocalyptic number.

It is an amenable number.

13310021121 is a deficient number, since it is larger than the sum of its proper divisors (4436673711).

13310021121 is an equidigital number, since it uses as much as digits as its factorization.

13310021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436673710.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13310021121 its reverse (12112001331), we get a palindrome (25422022452).

The spelling of 13310021121 in words is "thirteen billion, three hundred ten million, twenty-one thousand, one hundred twenty-one".