111011111122 has 24 divisors (see below), whose sum is σ = 168020724816. Its totient is φ = 55008603000.

The previous prime is 111011111119. The next prime is 111011111147. The reversal of 111011111122 is 221111110111.

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 11 ways as a sum of consecutive naturals, for example, 33324997 + ... + 33328327.

It is an arithmetic number, because the mean of its divisors is an integer number (7000863534).

Almost surely, 2^111011111122 is an apocalyptic number.

111011111122 is a deficient number, since it is larger than the sum of its proper divisors (57009613694).

111011111122 is an equidigital number, since it uses as much as digits as its factorization.

111011111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111011111122 its reverse (221111110111), we get a palindrome (332122221233).

The spelling of 111011111122 in words is "one hundred eleven billion, eleven million, one hundred eleven thousand, one hundred twenty-two".