112212112021211 has 6 divisors (see below), whose sum is σ = 113334123150636. Its totient is φ = 111101101001000.

The previous prime is 112212112021171. The next prime is 112212112021271. The reversal of 112212112021211 is 112120211212211.

It is a happy number.

It is not a de Polignac number, because 112212112021211 - 2¹⁸ = 112212111759067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212112021271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5500044305 + ... + 5500064706.

It is an arithmetic number, because the mean of its divisors is an integer number (18889020525106).

Almost surely, 2^{112212112021211} is an apocalyptic number.

112212112021211 is a deficient number, since it is larger than the sum of its proper divisors (1122011129425).

112212112021211 is an equidigital number, since it uses as much as digits as its factorization.

112212112021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000109213 (or 11000109112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112212112021211 its reverse (112120211212211), we get a palindrome (224332323233422).

The spelling of 112212112021211 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred twelve million, twenty-one thousand, two hundred eleven".