22123322111 has 16 divisors (see below), whose sum is σ = 24643843488. Its totient is φ = 19691712000.

The previous prime is 22123322021. The next prime is 22123322131. The reversal of 22123322111 is 11122332122.

It is a cyclic number.

It is not a de Polignac number, because 22123322111 - 2³⁰ = 21049580287 is a prime.

It is a super-2 number, since 2×22123322111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123322131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9461 + ... + 210561.

It is an arithmetic number, because the mean of its divisors is an integer number (1540240218).

Almost surely, 2^22123322111 is an apocalyptic number.

22123322111 is a deficient number, since it is larger than the sum of its proper divisors (2520521377).

22123322111 is a wasteful number, since it uses less digits than its factorization.

22123322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201322.

The product of its digits is 288, while the sum is 20.

Adding to 22123322111 its reverse (11122332122), we get a palindrome (33245654233).

It can be divided in two parts, 221 and 23322111, that added together give a palindrome (23322332).

The spelling of 22123322111 in words is "twenty-two billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred eleven".