111100222 has 4 divisors (see below), whose sum is σ = 166650336. Its totient is φ = 55550110.

The previous prime is 111100207. The next prime is 111100237. The reversal of 111100222 is 222001111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222001111 = 19 ⋅11684269.

It is an interprime number because it is at equal distance from previous prime (111100207) and next prime (111100237).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111100199 and 111100208.

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, 27775054 + ... + 27775057.

It is an arithmetic number, because the mean of its divisors is an integer number (41662584).

Almost surely, 2^111100222 is an apocalyptic number.

111100222 is a deficient number, since it is larger than the sum of its proper divisors (55550114).

111100222 is an equidigital number, since it uses as much as digits as its factorization.

111100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55550113.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111100222 is about 10540.4090053470. The cubic root of 111100222 is about 480.7341514403.

Adding to 111100222 its reverse (222001111), we get a palindrome (333101333).

The spelling of 111100222 in words is "one hundred eleven million, one hundred thousand, two hundred twenty-two".