111012222122 has 16 divisors (see below), whose sum is σ = 166743744000. Its totient is φ = 55431025488.

The previous prime is 111012222109. The next prime is 111012222163. The reversal of 111012222122 is 221222210111.

It is a self number, because there is not a number n which added to its sum of digits gives 111012222122.

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 7 ways as a sum of consecutive naturals, for example, 4934303 + ... + 4956749.

It is an arithmetic number, because the mean of its divisors is an integer number (10421484000).

Almost surely, 2^111012222122 is an apocalyptic number.

111012222122 is a deficient number, since it is larger than the sum of its proper divisors (55731521878).

111012222122 is a wasteful number, since it uses less digits than its factorization.

111012222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25685.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111012222122 its reverse (221222210111), we get a palindrome (332234432233).

The spelling of 111012222122 in words is "one hundred eleven billion, twelve million, two hundred twenty-two thousand, one hundred twenty-two".