111220220202222 has 8 divisors (see below), whose sum is σ = 222440440404456. Its totient is φ = 37073406734072.

The previous prime is 111220220202197. The next prime is 111220220202253. The reversal of 111220220202222 is 222202022022111.

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

111220220202222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9268351683513 + ... + 9268351683524.

It is an arithmetic number, because the mean of its divisors is an integer number (27805055050557).

Almost surely, 2^{111220220202222} is an apocalyptic number.

111220220202222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111220220202222 is a wasteful number, since it uses less digits than its factorization.

111220220202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18536703367042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 111220220202222 its reverse (222202022022111), we get a palindrome (333422242224333).

The spelling of 111220220202222 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".