111200221112 has 8 divisors (see below), whose sum is σ = 208500414600. Its totient is φ = 55600110552.

The previous prime is 111200221103. The next prime is 111200221133. The reversal of 111200221112 is 211122002111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6950013812 + ... + 6950013827.

It is an arithmetic number, because the mean of its divisors is an integer number (26062551825).

Almost surely, 2^111200221112 is an apocalyptic number.

It is an amenable number.

111200221112 is a deficient number, since it is larger than the sum of its proper divisors (97300193488).

111200221112 is a wasteful number, since it uses less digits than its factorization.

111200221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13900027645 (or 13900027641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111200221112 its reverse (211122002111), we get a palindrome (322322223223).

The spelling of 111200221112 in words is "one hundred eleven billion, two hundred million, two hundred twenty-one thousand, one hundred twelve".