12220110111 has 16 divisors (see below), whose sum is σ = 17842302720. Its totient is φ = 7377961920.

The previous prime is 12220110043. The next prime is 12220110127. The reversal of 12220110111 is 11101102221.

It is not a de Polignac number, because 12220110111 - 2¹¹ = 12220108063 is a prime.

It is a super-2 number, since 2×12220110111² (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 (12220110011) 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, 695326 + ... + 712683.

It is an arithmetic number, because the mean of its divisors is an integer number (1115143920).

Almost surely, 2^12220110111 is an apocalyptic number.

12220110111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12220110111 is a deficient number, since it is larger than the sum of its proper divisors (5622192609).

12220110111 is a wasteful number, since it uses less digits than its factorization.

12220110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408286.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12220110111 its reverse (11101102221), we get a palindrome (23321212332).

The spelling of 12220110111 in words is "twelve billion, two hundred twenty million, one hundred ten thousand, one hundred eleven".