220220211112211 has 4 divisors (see below), whose sum is σ = 220455238019352. Its totient is φ = 219985184205072.

The previous prime is 220220211112177. The next prime is 220220211112261. The reversal of 220220211112211 is 112211112022022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220220211112211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220211112261) 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 3 ways as a sum of consecutive naturals, for example, 117513452165 + ... + 117513454038.

It is an arithmetic number, because the mean of its divisors is an integer number (55113809504838).

Almost surely, 2^{220220211112211} is an apocalyptic number.

220220211112211 is a deficient number, since it is larger than the sum of its proper divisors (235026907141).

220220211112211 is an equidigital number, since it uses as much as digits as its factorization.

220220211112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235026907140.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 220220211112211 its reverse (112211112022022), we get a palindrome (332431323134233).

The spelling of 220220211112211 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred eleven million, one hundred twelve thousand, two hundred eleven".