112212111221211 has 8 divisors (see below), whose sum is σ = 154775325822480. Its totient is φ = 72228485383712.

The previous prime is 112212111221207. The next prime is 112212111221237. The reversal of 112212111221211 is 112122111212211.

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 112212111221211 - 2² = 112212111221207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112212111221281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644897190840 + ... + 644897191013.

It is an arithmetic number, because the mean of its divisors is an integer number (19346915727810).

Almost surely, 2^{112212111221211} is an apocalyptic number.

112212111221211 is a deficient number, since it is larger than the sum of its proper divisors (42563214601269).

112212111221211 is a wasteful number, since it uses less digits than its factorization.

112212111221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289794381885.

The product of its digits is 64, while the sum is 21.

Adding to 112212111221211 its reverse (112122111212211), we get a palindrome (224334222433422).

The spelling of 112212111221211 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, two hundred eleven".