111100220222 has 4 divisors (see below), whose sum is σ = 166650330336. Its totient is φ = 55550110110.

The previous prime is 111100220219. The next prime is 111100220239. The reversal of 111100220222 is 222022001111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111100220197 and 111100220206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775055054 + ... + 27775055057.

It is an arithmetic number, because the mean of its divisors is an integer number (41662582584).

Almost surely, 2^111100220222 is an apocalyptic number.

111100220222 is a deficient number, since it is larger than the sum of its proper divisors (55550110114).

111100220222 is an equidigital number, since it uses as much as digits as its factorization.

111100220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550110113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111100220222 its reverse (222022001111), we get a palindrome (333122221333).

The spelling of 111100220222 in words is "one hundred eleven billion, one hundred million, two hundred twenty thousand, two hundred twenty-two".