22111111122 has 16 divisors (see below), whose sum is σ = 44231490912. Its totient is φ = 7368825600.

The previous prime is 22111111097. The next prime is 22111111123.

It is a happy number.

22111111122 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22111111123) 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 7 ways as a sum of consecutive naturals, for example, 354988 + ... + 412599.

It is an arithmetic number, because the mean of its divisors is an integer number (2764468182).

Almost surely, 2^22111111122 is an apocalyptic number.

22111111122 is an abundant number, since it is smaller than the sum of its proper divisors (22120379790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111111122 is a wasteful number, since it uses less digits than its factorization.

22111111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772393.

The product of its digits is 16, while the sum is 15.

The spelling of 22111111122 in words is "twenty-two billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-two".