222112221122 has 32 divisors (see below), whose sum is σ = 364119404544. Its totient is φ = 100776085200.

The previous prime is 222112221077. The next prime is 222112221173. The reversal of 222112221122 is 221122211222.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222112221094 and 222112221103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47225423 + ... + 47230125.

It is an arithmetic number, because the mean of its divisors is an integer number (11378731392).

Almost surely, 2^222112221122 is an apocalyptic number.

222112221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222112221122 is a deficient number, since it is larger than the sum of its proper divisors (142007183422).

222112221122 is a wasteful number, since it uses less digits than its factorization.

222112221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174.

The product of its digits is 256, while the sum is 20.

Adding to 222112221122 its reverse (221122211222), we get a palindrome (443234432344).

It can be divided in two parts, 2 and 22112221122, that multiplied together give a palindrome (44224442244).

The spelling of 222112221122 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".