220021122101211 has 8 divisors (see below), whose sum is σ = 325957217927760. Its totient is φ = 146680748067456.

The previous prime is 220021122101177. The next prime is 220021122101219. The reversal of 220021122101211 is 112101221120022.

220021122101211 is a `hidden beast` number, since 2 + 20 + 0 + 211 + 221 + 0 + 1 + 211 = 666.

It is not a de Polignac number, because 220021122101211 - 2⁶ = 220021122101147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220021122101219) 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, 4074465224070 + ... + 4074465224123.

It is an arithmetic number, because the mean of its divisors is an integer number (40744652240970).

Almost surely, 2^{220021122101211} is an apocalyptic number.

220021122101211 is a deficient number, since it is larger than the sum of its proper divisors (105936095826549).

220021122101211 is an equidigital number, since it uses as much as digits as its factorization.

220021122101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148930448202 (or 8148930448196 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220021122101211 its reverse (112101221120022), we get a palindrome (332122343221233).

The spelling of 220021122101211 in words is "two hundred twenty trillion, twenty-one billion, one hundred twenty-two million, one hundred one thousand, two hundred eleven".