220112311211 has 8 divisors (see below), whose sum is σ = 237056132544. Its totient is φ = 203170219200.

The previous prime is 220112311193. The next prime is 220112311219. The reversal of 220112311211 is 112113211022.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-220112311211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220112311211.

It is not an unprimeable number, because it can be changed into a prime (220112311219) 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, 161690 + ... + 682911.

It is an arithmetic number, because the mean of its divisors is an integer number (29632016568).

Almost surely, 2^220112311211 is an apocalyptic number.

220112311211 is a deficient number, since it is larger than the sum of its proper divisors (16943821333).

220112311211 is a wasteful number, since it uses less digits than its factorization.

220112311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864661.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 220112311211 its reverse (112113211022), we get a palindrome (332225522233).

The spelling of 220112311211 in words is "two hundred twenty billion, one hundred twelve million, three hundred eleven thousand, two hundred eleven".