13310221123 has 4 divisors (see below), whose sum is σ = 13325330088. Its totient is φ = 13295112160.

The previous prime is 13310221121. The next prime is 13310221129. The reversal of 13310221123 is 32112201331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32112201331 = 7 ⋅4587457333.

It is a cyclic number.

It is not a de Polignac number, because 13310221123 - 2¹ = 13310221121 is a prime.

It is a super-2 number, since 2×13310221123² (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 13310221123.

It is not an unprimeable number, because it can be changed into a prime (13310221121) 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, 7553161 + ... + 7554922.

It is an arithmetic number, because the mean of its divisors is an integer number (3331332522).

Almost surely, 2^13310221123 is an apocalyptic number.

13310221123 is a deficient number, since it is larger than the sum of its proper divisors (15108965).

13310221123 is an equidigital number, since it uses as much as digits as its factorization.

13310221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15108964.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13310221123 its reverse (32112201331), we get a palindrome (45422422454).

The spelling of 13310221123 in words is "thirteen billion, three hundred ten million, two hundred twenty-one thousand, one hundred twenty-three".