111222112101112 has 8 divisors (see below), whose sum is σ = 208541460189600. Its totient is φ = 55611056050552.

The previous prime is 111222112101103. The next prime is 111222112101127. The reversal of 111222112101112 is 211101211222111.

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 111222112101112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951382006312 + ... + 6951382006327.

It is an arithmetic number, because the mean of its divisors is an integer number (26067682523700).

Almost surely, 2^{111222112101112} is an apocalyptic number.

It is an amenable number.

111222112101112 is a deficient number, since it is larger than the sum of its proper divisors (97319348088488).

111222112101112 is a wasteful number, since it uses less digits than its factorization.

111222112101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902764012645 (or 13902764012641 counting only the distinct ones).

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

Adding to 111222112101112 its reverse (211101211222111), we get a palindrome (322323323323223).

The spelling of 111222112101112 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, one hundred one thousand, one hundred twelve".