111220002244 has 24 divisors (see below), whose sum is σ = 209617372440. Its totient is φ = 51329750784.

The previous prime is 111220002169. The next prime is 111220002253. The reversal of 111220002244 is 442200022111.

It can be written as a sum of positive squares in 4 ways, for example, as 33984922500 + 77235079744 = 184350^2 + 277912^2 .

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354392 + ... + 1434160.

It is an arithmetic number, because the mean of its divisors is an integer number (8734057185).

Almost surely, 2^111220002244 is an apocalyptic number.

It is an amenable number.

111220002244 is a deficient number, since it is larger than the sum of its proper divisors (98397370196).

111220002244 is a wasteful number, since it uses less digits than its factorization.

111220002244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106599 (or 106597 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 111220002244 its reverse (442200022111), we get a palindrome (553420024355).

The spelling of 111220002244 in words is "one hundred eleven billion, two hundred twenty million, two thousand, two hundred forty-four".