111213120211 has 8 divisors (see below), whose sum is σ = 111930772064. Its totient is φ = 110495586240.

The previous prime is 111213120209. The next prime is 111213120229. The reversal of 111213120211 is 112021312111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111213120211 - 2¹ = 111213120209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111213120281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635666 + ... + 2677528.

It is an arithmetic number, because the mean of its divisors is an integer number (13991346508).

Almost surely, 2^111213120211 is an apocalyptic number.

111213120211 is a deficient number, since it is larger than the sum of its proper divisors (717651853).

111213120211 is a wasteful number, since it uses less digits than its factorization.

111213120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58941.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111213120211 its reverse (112021312111), we get a palindrome (223234432322).

The spelling of 111213120211 in words is "one hundred eleven billion, two hundred thirteen million, one hundred twenty thousand, two hundred eleven".