111221310104 has 16 divisors (see below), whose sum is σ = 208788526800. Its totient is φ = 55544369632.

The previous prime is 111221310077. The next prime is 111221310199. The reversal of 111221310104 is 401013122111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8278547 + ... + 8291970.

It is an arithmetic number, because the mean of its divisors is an integer number (13049282925).

Almost surely, 2^111221310104 is an apocalyptic number.

It is an amenable number.

111221310104 is a deficient number, since it is larger than the sum of its proper divisors (97567216696).

111221310104 is a wasteful number, since it uses less digits than its factorization.

111221310104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16571362 (or 16571358 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111221310104 its reverse (401013122111), we get a palindrome (512234432215).

The spelling of 111221310104 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred ten thousand, one hundred four".