220211111202211 has 4 divisors (see below), whose sum is σ = 220220457650424. Its totient is φ = 220201764754000.

The previous prime is 220211111202179. The next prime is 220211111202241. The reversal of 220211111202211 is 112202111112022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220211111202211 - 2⁵ = 220211111202179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211111202241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4673188765 + ... + 4673235886.

It is an arithmetic number, because the mean of its divisors is an integer number (55055114412606).

Almost surely, 2^{220211111202211} is an apocalyptic number.

220211111202211 is a deficient number, since it is larger than the sum of its proper divisors (9346448213).

220211111202211 is an equidigital number, since it uses as much as digits as its factorization.

220211111202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9346448212.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220211111202211 its reverse (112202111112022), we get a palindrome (332413222314233).

It can be divided in two parts, 2202111112022 and 11, that multiplied together give a palindrome (24223222232242).

The spelling of 220211111202211 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred eleven million, two hundred two thousand, two hundred eleven".