111020121021112 has 32 divisors (see below), whose sum is σ = 208649148333120. Its totient is φ = 55380352389120.

The previous prime is 111020121021109. The next prime is 111020121021127. The reversal of 111020121021112 is 211120121020111.

111020121021112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240084268 + ... + 240546244.

It is an arithmetic number, because the mean of its divisors is an integer number (6520285885410).

Almost surely, 2^{111020121021112} is an apocalyptic number.

It is an amenable number.

111020121021112 is a deficient number, since it is larger than the sum of its proper divisors (97629027312008).

111020121021112 is a wasteful number, since it uses less digits than its factorization.

111020121021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532111 (or 532107 counting only the distinct ones).

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

Adding to 111020121021112 its reverse (211120121020111), we get a palindrome (322140242041223).

The spelling of 111020121021112 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-one million, twenty-one thousand, one hundred twelve".