111222112202222 has 32 divisors (see below), whose sum is σ = 201912991895808. Its totient is φ = 44855847686016.

The previous prime is 111222112202057. The next prime is 111222112202231. The reversal of 111222112202222 is 222202211222111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34131428 + ... + 37247799.

It is an arithmetic number, because the mean of its divisors is an integer number (6309780996744).

Almost surely, 2^{111222112202222} is an apocalyptic number.

111222112202222 is a deficient number, since it is larger than the sum of its proper divisors (90690879693586).

111222112202222 is a wasteful number, since it uses less digits than its factorization.

111222112202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71385800.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111222112202222 its reverse (222202211222111), we get a palindrome (333424323424333).

The spelling of 111222112202222 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, two hundred two thousand, two hundred twenty-two".