220211122210 has 16 divisors (see below), whose sum is σ = 396459497016. Its totient is φ = 88066787328.

The previous prime is 220211122199. The next prime is 220211122249. The reversal of 220211122210 is 12221112022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 174161824929 + 46049297281 = 417327^2 + 214591^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155269 + ... + 2255128.

Almost surely, 2^220211122210 is an apocalyptic number.

220211122210 is a deficient number, since it is larger than the sum of its proper divisors (176248374806).

220211122210 is a wasteful number, since it uses less digits than its factorization.

220211122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415397.

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

Adding to 220211122210 its reverse (12221112022), we get a palindrome (232432234232).

The spelling of 220211122210 in words is "two hundred twenty billion, two hundred eleven million, one hundred twenty-two thousand, two hundred ten".