111222055 has 16 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 75925152.

The previous prime is 111222049. The next prime is 111222071. The reversal of 111222055 is 550222111.

It is a cyclic number.

It is not a de Polignac number, because 111222055 - 2⁹ = 111221543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946 + ... + 14944.

It is an arithmetic number, because the mean of its divisors is an integer number (9576000).

Almost surely, 2^111222055 is an apocalyptic number.

111222055 is a deficient number, since it is larger than the sum of its proper divisors (41993945).

111222055 is a wasteful number, since it uses less digits than its factorization.

111222055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 111222055 is about 10546.1867516179. The cubic root of 111222055 is about 480.9098123187.

Adding to 111222055 its reverse (550222111), we get a palindrome (661444166).

The spelling of 111222055 in words is "one hundred eleven million, two hundred twenty-two thousand, fifty-five".