222211111012 has 72 divisors (see below), whose sum is σ = 430087553280. Its totient is φ = 99626480640.

The previous prime is 222211111009. The next prime is 222211111037. The reversal of 222211111012 is 210111112222.

222211111012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154419789 + ... + 154421227.

It is an arithmetic number, because the mean of its divisors is an integer number (5973438240).

Almost surely, 2^222211111012 is an apocalyptic number.

222211111012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222211111012 is a deficient number, since it is larger than the sum of its proper divisors (207876442268).

222211111012 is a wasteful number, since it uses less digits than its factorization.

222211111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222211111012 its reverse (210111112222), we get a palindrome (432322223234).

The spelling of 222211111012 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, twelve".