112021221211111 has 4 divisors (see below), whose sum is σ = 112037135584000. Its totient is φ = 112005306838224.

The previous prime is 112021221211103. The next prime is 112021221211129. The reversal of 112021221211111 is 111112122120211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112021221211111 - 2³ = 112021221211103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021221281111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7957175886 + ... + 7957189963.

It is an arithmetic number, because the mean of its divisors is an integer number (28009283896000).

Almost surely, 2^{112021221211111} is an apocalyptic number.

112021221211111 is a deficient number, since it is larger than the sum of its proper divisors (15914372889).

112021221211111 is an equidigital number, since it uses as much as digits as its factorization.

112021221211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15914372888.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112021221211111 its reverse (111112122120211), we get a palindrome (223133343331322).

The spelling of 112021221211111 in words is "one hundred twelve trillion, twenty-one billion, two hundred twenty-one million, two hundred eleven thousand, one hundred eleven".