111101122220012 has 12 divisors (see below), whose sum is σ = 194427067987656. Its totient is φ = 55550531366400.

The previous prime is 111101122220003. The next prime is 111101122220041. The reversal of 111101122220012 is 210022221101111.

111101122220012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2420012 + ... + 15101612.

It is an arithmetic number, because the mean of its divisors is an integer number (16202255665638).

Almost surely, 2^{111101122220012} is an apocalyptic number.

It is an amenable number.

111101122220012 is a deficient number, since it is larger than the sum of its proper divisors (83325945767644).

111101122220012 is a wasteful number, since it uses less digits than its factorization.

111101122220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871808 (or 14871806 counting only the distinct ones).

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

Adding to 111101122220012 its reverse (210022221101111), we get a palindrome (321123343321123).

The spelling of 111101122220012 in words is "one hundred eleven trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty thousand, twelve".