13333221123 has 4 divisors (see below), whose sum is σ = 17777628168. Its totient is φ = 8888814080.

The previous prime is 13333221113. The next prime is 13333221127. The reversal of 13333221123 is 32112233331.

13333221123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32112233331 = 3 ⋅10704077777.

It is a cyclic number.

It is not a de Polignac number, because 13333221123 - 2⁴ = 13333221107 is a prime.

It is a super-2 number, since 2×13333221123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13333221093 and 13333221102.

It is not an unprimeable number, because it can be changed into a prime (13333221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222203518 + ... + 2222203523.

It is an arithmetic number, because the mean of its divisors is an integer number (4444407042).

Almost surely, 2^13333221123 is an apocalyptic number.

13333221123 is a deficient number, since it is larger than the sum of its proper divisors (4444407045).

13333221123 is an equidigital number, since it uses as much as digits as its factorization.

13333221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444407044.

The product of its digits is 1944, while the sum is 24.

Adding to 13333221123 its reverse (32112233331), we get a palindrome (45445454454).

The spelling of 13333221123 in words is "thirteen billion, three hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-three".