22111102111 has 16 divisors (see below), whose sum is σ = 25867393024. Its totient is φ = 18504539424.

The previous prime is 22111102051. The next prime is 22111102127. The reversal of 22111102111 is 11120111122.

It is a happy number.

It is not a de Polignac number, because 22111102111 - 2³³ = 13521167519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111102091 and 22111102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111102711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865426 + ... + 890608.

It is an arithmetic number, because the mean of its divisors is an integer number (1616712064).

Almost surely, 2^22111102111 is an apocalyptic number.

22111102111 is a deficient number, since it is larger than the sum of its proper divisors (3756290913).

22111102111 is a wasteful number, since it uses less digits than its factorization.

22111102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28150.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22111102111 its reverse (11120111122), we get a palindrome (33231213233).

The spelling of 22111102111 in words is "twenty-two billion, one hundred eleven million, one hundred two thousand, one hundred eleven".