112212011211 has 4 divisors (see below), whose sum is σ = 149616014952. Its totient is φ = 74808007472.

The previous prime is 112212011209. The next prime is 112212011267. The reversal of 112212011211 is 112110212211.

It is a happy number.

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 112212011211 - 2¹ = 112212011209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112212011201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18702001866 + ... + 18702001871.

It is an arithmetic number, because the mean of its divisors is an integer number (37404003738).

Almost surely, 2^112212011211 is an apocalyptic number.

112212011211 is a deficient number, since it is larger than the sum of its proper divisors (37404003741).

112212011211 is an equidigital number, since it uses as much as digits as its factorization.

112212011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37404003740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112212011211 its reverse (112110212211), we get a palindrome (224322223422).

The spelling of 112212011211 in words is "one hundred twelve billion, two hundred twelve million, eleven thousand, two hundred eleven".