13331121222 has 8 divisors (see below), whose sum is σ = 26662242456. Its totient is φ = 4443707072.

The previous prime is 13331121163. The next prime is 13331121247. The reversal of 13331121222 is 22212113331.

It is a sphenic number, since it is the product of 3 distinct primes.

13331121222 is an admirable number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110926763 + ... + 1110926774.

It is an arithmetic number, because the mean of its divisors is an integer number (3332780307).

Almost surely, 2^13331121222 is an apocalyptic number.

13331121222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13331121222 is a wasteful number, since it uses less digits than its factorization.

13331121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221853542.

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

Adding to 13331121222 its reverse (22212113331), we get a palindrome (35543234553).

The spelling of 13331121222 in words is "thirteen billion, three hundred thirty-one million, one hundred twenty-one thousand, two hundred twenty-two".