111222120010112 has 16 divisors (see below), whose sum is σ = 221575317207900. Its totient is φ = 55611060004992.

The previous prime is 111222120010109. The next prime is 111222120010147. The reversal of 111222120010112 is 211010021222111.

It is a tau number, because it is divible by the number of its divisors (16).

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, 434461406162 + ... + 434461406417.

Almost surely, 2^{111222120010112} is an apocalyptic number.

It is an amenable number.

111222120010112 is a deficient number, since it is larger than the sum of its proper divisors (110353197197788).

111222120010112 is an frugal number, since it uses more digits than its factorization.

111222120010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868922812593 (or 868922812581 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111222120010112 its reverse (211010021222111), we get a palindrome (322232141232223).

The spelling of 111222120010112 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty million, ten thousand, one hundred twelve".