13222111011 has 4 divisors (see below), whose sum is σ = 17629481352. Its totient is φ = 8814740672.

The previous prime is 13222111003. The next prime is 13222111051. The reversal of 13222111011 is 11011122231.

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 13222111011 - 2³ = 13222111003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13222111051) 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, 2203685166 + ... + 2203685171.

It is an arithmetic number, because the mean of its divisors is an integer number (4407370338).

Almost surely, 2^13222111011 is an apocalyptic number.

13222111011 is a deficient number, since it is larger than the sum of its proper divisors (4407370341).

13222111011 is an equidigital number, since it uses as much as digits as its factorization.

13222111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407370340.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13222111011 its reverse (11011122231), we get a palindrome (24233233242).

The spelling of 13222111011 in words is "thirteen billion, two hundred twenty-two million, one hundred eleven thousand, eleven".