112221100111112 has 8 divisors (see below), whose sum is σ = 210414562708350. Its totient is φ = 56110550055552.

The previous prime is 112221100111103. The next prime is 112221100111157. The reversal of 112221100111112 is 211111001122211.

It can be written as a sum of positive squares in only one way, i.e., 81118014954916 + 31103085156196 = 9006554^2 + 5577014^2 .

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

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, 7013818756937 + ... + 7013818756952.

Almost surely, 2^{112221100111112} is an apocalyptic number.

It is an amenable number.

112221100111112 is a deficient number, since it is larger than the sum of its proper divisors (98193462597238).

112221100111112 is a wasteful number, since it uses less digits than its factorization.

112221100111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027637513895 (or 14027637513891 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112221100111112 its reverse (211111001122211), we get a palindrome (323332101233323).

The spelling of 112221100111112 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred million, one hundred eleven thousand, one hundred twelve".