11112220222 has 8 divisors (see below), whose sum is σ = 16688635272. Its totient is φ = 5549341800.

The previous prime is 11112220159. The next prime is 11112220267. The reversal of 11112220222 is 22202221111.

It is a happy number.

11112220222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 11112220196 and 11112220205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382104 + ... + 3385387.

It is an arithmetic number, because the mean of its divisors is an integer number (2086079409).

Almost surely, 2^11112220222 is an apocalyptic number.

11112220222 is a deficient number, since it is larger than the sum of its proper divisors (5576415050).

11112220222 is an equidigital number, since it uses as much as digits as its factorization.

11112220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768314.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11112220222 its reverse (22202221111), we get a palindrome (33314441333).

It can be divided in two parts, 1111 and 2220222, that multiplied together give a palindrome (2466666642).

The spelling of 11112220222 in words is "eleven billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-two".