13110240221 has 8 divisors (see below), whose sum is σ = 14605573080. Its totient is φ = 11684457792.

The previous prime is 13110240211. The next prime is 13110240307. The reversal of 13110240221 is 12204201131.

It can be written as a sum of positive squares in 4 ways, for example, as 600936196 + 12509304025 = 24514^2 + 111845^2 .

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 13110240221 - 2²² = 13106045917 is a prime.

It is a super-2 number, since 2×13110240221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13110240221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110240211) 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, 17387210 + ... + 17387963.

It is an arithmetic number, because the mean of its divisors is an integer number (1825696635).

Almost surely, 2^13110240221 is an apocalyptic number.

It is an amenable number.

13110240221 is a deficient number, since it is larger than the sum of its proper divisors (1495332859).

13110240221 is a wasteful number, since it uses less digits than its factorization.

13110240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34775215.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13110240221 its reverse (12204201131), we get a palindrome (25314441352).

The spelling of 13110240221 in words is "thirteen billion, one hundred ten million, two hundred forty thousand, two hundred twenty-one".