111221140146104 has 64 divisors (see below), whose sum is σ = 227102322240000. Its totient is φ = 50863117269888.

The previous prime is 111221140146089. The next prime is 111221140146157. The reversal of 111221140146104 is 401641041122111.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56902757 + ... + 58824875.

It is an arithmetic number, because the mean of its divisors is an integer number (3548473785000).

Almost surely, 2^{111221140146104} is an apocalyptic number.

It is an amenable number.

111221140146104 is an abundant number, since it is smaller than the sum of its proper divisors (115881182093896).

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

111221140146104 is a wasteful number, since it uses less digits than its factorization.

111221140146104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935300 (or 1935296 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

Adding to 111221140146104 its reverse (401641041122111), we get a palindrome (512862181268215).

The spelling of 111221140146104 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred forty million, one hundred forty-six thousand, one hundred four".