111122004 has 36 divisors (see below), whose sum is σ = 301618464. Its totient is φ = 31748976.

The previous prime is 111122003. The next prime is 111122041. The reversal of 111122004 is 400221111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93904 + ... + 95079.

Almost surely, 2^111122004 is an apocalyptic number.

111122004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111122004 is an abundant number, since it is smaller than the sum of its proper divisors (190496460).

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

111122004 is a wasteful number, since it uses less digits than its factorization.

111122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189004 (or 188995 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111122004 is about 10541.4422163194. The cubic root of 111122004 is about 480.7655665201.

Adding to 111122004 its reverse (400221111), we get a palindrome (511343115).

The spelling of 111122004 in words is "one hundred eleven million, one hundred twenty-two thousand, four".