111211000222222 has 16 divisors (see below), whose sum is σ = 167429045038320. Its totient is φ = 55401372738432.

The previous prime is 111211000222213. The next prime is 111211000222271. The reversal of 111211000222222 is 222222000112111.

It is a self number, because there is not a number n which added to its sum of digits gives 111211000222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9439947 + ... + 17650342.

It is an arithmetic number, because the mean of its divisors is an integer number (10464315314895).

Almost surely, 2^{111211000222222} is an apocalyptic number.

111211000222222 is a deficient number, since it is larger than the sum of its proper divisors (56218044816098).

111211000222222 is a wasteful number, since it uses less digits than its factorization.

111211000222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27097827.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111211000222222 its reverse (222222000112111), we get a palindrome (333433000334333).

The spelling of 111211000222222 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred twenty-two thousand, two hundred twenty-two".