22222112111122 has 16 divisors (see below), whose sum is σ = 41558235636672. Its totient is φ = 8657965757520.

The previous prime is 22222112111117. The next prime is 22222112111167. The reversal of 22222112111122 is 22111121122222.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 = 22222112111093 and 22222112111102.

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, 72149714493 + ... + 72149714800.

It is an arithmetic number, because the mean of its divisors is an integer number (2597389727292).

Almost surely, 2^{22222112111122} is an apocalyptic number.

22222112111122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222112111122 is a deficient number, since it is larger than the sum of its proper divisors (19336123525550).

22222112111122 is a wasteful number, since it uses less digits than its factorization.

22222112111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144299429313.

The product of its digits is 256, while the sum is 22.

Adding to 22222112111122 its reverse (22111121122222), we get a palindrome (44333233233344).

The spelling of 22222112111122 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty-two".