111122 has 8 divisors (see below), whose sum is σ = 181872. Its totient is φ = 50500.

The previous prime is 111121. The next prime is 111127. The reversal of 111122 is 221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a nialpdrome in base 11.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (22734).

2¹¹¹¹²² is an apocalyptic number.

111122 is a deficient number, since it is larger than the sum of its proper divisors (70750).

111122 is a wasteful number, since it uses less digits than its factorization.

111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064.

The product of its digits is 4, while the sum is 8.

The square root of 111122 is about 333.3496662665. The cubic root of 111122 is about 48.0765560751.

Adding to 111122 its reverse (221111), we get a palindrome (332233).

It can be divided in two parts, 1111 and 22, that multiplied together give a palindrome (24442).

The spelling of 111122 in words is "one hundred eleven thousand, one hundred twenty-two", and thus it is an iban number.