111211022001112 has 32 divisors (see below), whose sum is σ = 227479519523520. Its totient is φ = 50549924753440.

The previous prime is 111211022001089. The next prime is 111211022001113. The reversal of 111211022001112 is 211100220112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211022001113) by changing a digit.

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, 1598763 + ... + 14999269.

It is an arithmetic number, because the mean of its divisors is an integer number (7108734985110).

Almost surely, 2^{111211022001112} is an apocalyptic number.

It is an amenable number.

111211022001112 is an abundant number, since it is smaller than the sum of its proper divisors (116268497522408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111211022001112 is a wasteful number, since it uses less digits than its factorization.

111211022001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13494831 (or 13494827 counting only the distinct ones).

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

Adding to 111211022001112 its reverse (211100220112111), we get a palindrome (322311242113223).

The spelling of 111211022001112 in words is "one hundred eleven trillion, two hundred eleven billion, twenty-two million, one thousand, one hundred twelve".