111011122222 has 64 divisors (see below), whose sum is σ = 225788871168. Its totient is φ = 39528720000.

The previous prime is 111011122169. The next prime is 111011122247. The reversal of 111011122222 is 222221110111.

111011122222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111011122196 and 111011122205.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 72304 + ... + 476707.

It is an arithmetic number, because the mean of its divisors is an integer number (3527951112).

Almost surely, 2^111011122222 is an apocalyptic number.

111011122222 is an abundant number, since it is smaller than the sum of its proper divisors (114777748946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111011122222 is a wasteful number, since it uses less digits than its factorization.

111011122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549145.

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

Adding to 111011122222 its reverse (222221110111), we get a palindrome (333232232333).

It can be divided in two parts, 1110111 and 22222, that multiplied together give a palindrome (24668886642).

The spelling of 111011122222 in words is "one hundred eleven billion, eleven million, one hundred twenty-two thousand, two hundred twenty-two".