111111002222 has 8 divisors (see below), whose sum is σ = 181818003672. Its totient is φ = 50505001000.

The previous prime is 111111002213. The next prime is 111111002227. The reversal of 111111002222 is 222200111111.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111111002197 and 111111002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111002227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525250029 + ... + 2525250072.

It is an arithmetic number, because the mean of its divisors is an integer number (22727250459).

Almost surely, 2^111111002222 is an apocalyptic number.

111111002222 is a deficient number, since it is larger than the sum of its proper divisors (70707001450).

111111002222 is a wasteful number, since it uses less digits than its factorization.

111111002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050500114.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111111002222 its reverse (222200111111), we get a palindrome (333311113333).

The spelling of 111111002222 in words is "one hundred eleven billion, one hundred eleven million, two thousand, two hundred twenty-two".