13113123222 has 16 divisors (see below), whose sum is σ = 26836159680. Its totient is φ = 4269388872.

The previous prime is 13113123211. The next prime is 13113123223. The reversal of 13113123222 is 22232131131.

It is a super-2 number, since 2×13113123222² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113123223) 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, 25412772 + ... + 25413287.

It is an arithmetic number, because the mean of its divisors is an integer number (1677259980).

Almost surely, 2^13113123222 is an apocalyptic number.

13113123222 is an abundant number, since it is smaller than the sum of its proper divisors (13723036458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113123222 is a wasteful number, since it uses less digits than its factorization.

13113123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50826107.

The product of its digits is 432, while the sum is 21.

Adding to 13113123222 its reverse (22232131131), we get a palindrome (35345254353).

The spelling of 13113123222 in words is "thirteen billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred twenty-two".