111121020000212 has 12 divisors (see below), whose sum is σ = 194461859291700. Its totient is φ = 55560488774016.

The previous prime is 111121020000167. The next prime is 111121020000227. The reversal of 111121020000212 is 212000020121111.

It can be written as a sum of positive squares in 2 ways, for example, as 12433564567876 + 98687455432336 = 3526126^2 + 9934156^2 .

It is a congruent number.

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, 15802748 + ... + 21724844.

It is an arithmetic number, because the mean of its divisors is an integer number (16205154940975).

Almost surely, 2^{111121020000212} is an apocalyptic number.

It is an amenable number.

111121020000212 is a deficient number, since it is larger than the sum of its proper divisors (83340839291488).

111121020000212 is a wasteful number, since it uses less digits than its factorization.

111121020000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613050 (or 10613048 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111121020000212 its reverse (212000020121111), we get a palindrome (323121040121323).

The spelling of 111121020000212 in words is "one hundred eleven trillion, one hundred twenty-one billion, twenty million, two hundred twelve", and thus it is an aban number.