13224220111 has 4 divisors (see below), whose sum is σ = 13473733752. Its totient is φ = 12974706472.

The previous prime is 13224220069. The next prime is 13224220133. The reversal of 13224220111 is 11102242231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13224220111 - 2¹³ = 13224211919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224220511) 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, 124756741 + ... + 124756846.

It is an arithmetic number, because the mean of its divisors is an integer number (3368433438).

Almost surely, 2^13224220111 is an apocalyptic number.

13224220111 is a deficient number, since it is larger than the sum of its proper divisors (249513641).

13224220111 is an equidigital number, since it uses as much as digits as its factorization.

13224220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249513640.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13224220111 its reverse (11102242231), we get a palindrome (24326462342).

The spelling of 13224220111 in words is "thirteen billion, two hundred twenty-four million, two hundred twenty thousand, one hundred eleven".