111101111122 has 16 divisors (see below), whose sum is σ = 169291890432. Its totient is φ = 54673194240.

The previous prime is 111101111071. The next prime is 111101111123. The reversal of 111101111122 is 221111101111.

It is not an unprimeable number, because it can be changed into a prime (111101111123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 596058 + ... + 759925.

It is an arithmetic number, because the mean of its divisors is an integer number (10580743152).

Almost surely, 2^111101111122 is an apocalyptic number.

111101111122 is a deficient number, since it is larger than the sum of its proper divisors (58190779310).

111101111122 is a wasteful number, since it uses less digits than its factorization.

111101111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356633.

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

Adding to 111101111122 its reverse (221111101111), we get a palindrome (332212212233).

The spelling of 111101111122 in words is "one hundred eleven billion, one hundred one million, one hundred eleven thousand, one hundred twenty-two".