111220202222 has 8 divisors (see below), whose sum is σ = 169115650176. Its totient is φ = 54848318832.

The previous prime is 111220202189. The next prime is 111220202237. The reversal of 111220202222 is 222202022111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111220202222.

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 3 ways as a sum of consecutive naturals, for example, 380890958 + ... + 380891249.

It is an arithmetic number, because the mean of its divisors is an integer number (21139456272).

Almost surely, 2^111220202222 is an apocalyptic number.

111220202222 is a deficient number, since it is larger than the sum of its proper divisors (57895447954).

111220202222 is an equidigital number, since it uses as much as digits as its factorization.

111220202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761782282.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111220202222 its reverse (222202022111), we get a palindrome (333422224333).

The spelling of 111220202222 in words is "one hundred eleven billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".