13222123011 has 24 divisors (see below), whose sum is σ = 19233236880. Its totient is φ = 8752764096.

The previous prime is 13222122941. The next prime is 13222123043. The reversal of 13222123011 is 11032122231.

It is not a de Polignac number, because 13222123011 - 2⁹ = 13222122499 is a prime.

It is a super-2 number, since 2×13222123011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13222123051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1175265 + ... + 1186461.

It is an arithmetic number, because the mean of its divisors is an integer number (801384870).

Almost surely, 2^13222123011 is an apocalyptic number.

13222123011 is a deficient number, since it is larger than the sum of its proper divisors (6011113869).

13222123011 is a wasteful number, since it uses less digits than its factorization.

13222123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12115 (or 12112 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13222123011 its reverse (11032122231), we get a palindrome (24254245242).

The spelling of 13222123011 in words is "thirteen billion, two hundred twenty-two million, one hundred twenty-three thousand, eleven".