111122220012222 has 8 divisors (see below), whose sum is σ = 222244440024456. Its totient is φ = 37040740004072.

The previous prime is 111122220012211. The next prime is 111122220012257. The reversal of 111122220012222 is 222210022221111.

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

111122220012222 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, 9260185001013 + ... + 9260185001024.

It is an arithmetic number, because the mean of its divisors is an integer number (27780555003057).

Almost surely, 2^{111122220012222} is an apocalyptic number.

111122220012222 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.

111122220012222 is a wasteful number, since it uses less digits than its factorization.

111122220012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520370002042.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111122220012222 its reverse (222210022221111), we get a palindrome (333332242233333).

The spelling of 111122220012222 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, two hundred twenty-two".