111220044 has 48 divisors (see below), whose sum is σ = 286308960. Its totient is φ = 33384960.

The previous prime is 111220037. The next prime is 111220051. The reversal of 111220044 is 440022111.

It is an interprime number because it is at equal distance from previous prime (111220037) and next prime (111220051).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299 + ... + 15090.

It is an arithmetic number, because the mean of its divisors is an integer number (5964770).

Almost surely, 2^111220044 is an apocalyptic number.

It is an amenable number.

111220044 is an abundant number, since it is smaller than the sum of its proper divisors (175088916).

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

111220044 is a wasteful number, since it uses less digits than its factorization.

111220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17450 (or 17448 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 111220044 is about 10546.0914086689. The cubic root of 111220044 is about 480.9069138665.

Adding to 111220044 its reverse (440022111), we get a palindrome (551242155).

The spelling of 111220044 in words is "one hundred eleven million, two hundred twenty thousand, forty-four".