111322221022222 has 24 divisors (see below), whose sum is σ = 195252371831376. Its totient is φ = 47462323684608.

The previous prime is 111322221022189. The next prime is 111322221022267. The reversal of 111322221022222 is 222220122223111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2942833498 + ... + 2942871325.

It is an arithmetic number, because the mean of its divisors is an integer number (8135515492974).

Almost surely, 2^{111322221022222} is an apocalyptic number.

111322221022222 is a deficient number, since it is larger than the sum of its proper divisors (83930150809154).

111322221022222 is a wasteful number, since it uses less digits than its factorization.

111322221022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885705032 (or 5885705025 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 111322221022222 its reverse (222220122223111), we get a palindrome (333542343245333).

The spelling of 111322221022222 in words is "one hundred eleven trillion, three hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty-two".