111102222111112 has 8 divisors (see below), whose sum is σ = 208316666458350. Its totient is φ = 55551111055552.

The previous prime is 111102222111103. The next prime is 111102222111169. The reversal of 111102222111112 is 211111222201111.

It can be written as a sum of positive squares in only one way, i.e., 107011287079876 + 4090935031236 = 10344626^2 + 2022606^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 111102222111112.

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 as a sum of consecutive naturals, namely, 6943888881937 + ... + 6943888881952.

Almost surely, 2^{111102222111112} is an apocalyptic number.

It is an amenable number.

111102222111112 is a deficient number, since it is larger than the sum of its proper divisors (97214444347238).

111102222111112 is a wasteful number, since it uses less digits than its factorization.

111102222111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887777763895 (or 13887777763891 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111102222111112 its reverse (211111222201111), we get a palindrome (322213444312223).

The spelling of 111102222111112 in words is "one hundred eleven trillion, one hundred two billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twelve".