22111112122 has 16 divisors (see below), whose sum is σ = 36264254400. Its totient is φ = 10027607040.

The previous prime is 22111112119. The next prime is 22111112137. The reversal of 22111112122 is 22121111122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22111112096 and 22111112105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135047 + ... + 1154362.

It is an arithmetic number, because the mean of its divisors is an integer number (2266515900).

Almost surely, 2^22111112122 is an apocalyptic number.

22111112122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111112122 is a deficient number, since it is larger than the sum of its proper divisors (14153142278).

22111112122 is a wasteful number, since it uses less digits than its factorization.

22111112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289861.

The product of its digits is 32, while the sum is 16.

Adding to 22111112122 its reverse (22121111122), we get a palindrome (44232223244).

The spelling of 22111112122 in words is "twenty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-two".