111001122 has 48 divisors (see below), whose sum is σ = 247328640. Its totient is φ = 35961696.

The previous prime is 111001117. The next prime is 111001139. The reversal of 111001122 is 221100111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151068 + ... + 151800.

It is an arithmetic number, because the mean of its divisors is an integer number (5152680).

Almost surely, 2^111001122 is an apocalyptic number.

111001122 is an abundant number, since it is smaller than the sum of its proper divisors (136327518).

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

111001122 is a wasteful number, since it uses less digits than its factorization.

111001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 111001122 is about 10535.7070004817. The cubic root of 111001122 is about 480.5911726488.

Adding to 111001122 its reverse (221100111), we get a palindrome (332101233).

The spelling of 111001122 in words is "one hundred eleven million, one thousand, one hundred twenty-two".