22111100111122 has 16 divisors (see below), whose sum is σ = 36774944449344. Its totient is φ = 9885737754000.

The previous prime is 22111100111069. The next prime is 22111100111129.

22111100111122 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22111100111096 and 22111100111105.

It is not an unprimeable number, because it can be changed into a prime (22111100111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8238113454 + ... + 8238116137.

It is an arithmetic number, because the mean of its divisors is an integer number (2298434028084).

Almost surely, 2^{22111100111122} is an apocalyptic number.

22111100111122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111100111122 is a deficient number, since it is larger than the sum of its proper divisors (14663844338222).

22111100111122 is a wasteful number, since it uses less digits than its factorization.

22111100111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16476229665.

The product of its (nonzero) digits is 16, while the sum is 16.

It can be divided in two parts, 22111100 and 111122, that added together give a palindrome (22222222).

The spelling of 22111100111122 in words is "twenty-two trillion, one hundred eleven billion, one hundred million, one hundred eleven thousand, one hundred twenty-two".