1112112221222 has 8 divisors (see below), whose sum is σ = 1668357257472. Its totient is φ = 555993135400.

The previous prime is 1112112221189. The next prime is 1112112221261. The reversal of 1112112221222 is 2221222112111.

It is a sphenic number, since it is the product of 3 distinct primes.

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 = 1112112221194 and 1112112221203.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31465529 + ... + 31500852.

It is an arithmetic number, because the mean of its divisors is an integer number (208544657184).

Almost surely, 2^{1112112221222} is an apocalyptic number.

1112112221222 is a deficient number, since it is larger than the sum of its proper divisors (556245036250).

1112112221222 is an equidigital number, since it uses as much as digits as its factorization.

1112112221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62975214.

The product of its digits is 128, while the sum is 20.

Adding to 1112112221222 its reverse (2221222112111), we get a palindrome (3333334333333).

The spelling of 1112112221222 in words is "one trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".