220220211211 has 64 divisors (see below), whose sum is σ = 305454514176. Its totient is φ = 153171907200.

The previous prime is 220220211199. The next prime is 220220211229. The reversal of 220220211211 is 112112022022.

It is a happy number.

It is not a de Polignac number, because 220220211211 - 2¹⁵ = 220220178443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220220211011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64635870 + ... + 64639276.

It is an arithmetic number, because the mean of its divisors is an integer number (4772726784).

Almost surely, 2^220220211211 is an apocalyptic number.

220220211211 is a deficient number, since it is larger than the sum of its proper divisors (85234302965).

220220211211 is a wasteful number, since it uses less digits than its factorization.

220220211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220220211211 its reverse (112112022022), we get a palindrome (332332233233).

The spelling of 220220211211 in words is "two hundred twenty billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".