220112221011211 has 4 divisors (see below), whose sum is σ = 225480811767624. Its totient is φ = 214743630254800.

The previous prime is 220112221011209. The next prime is 220112221011223. The reversal of 220112221011211 is 112110122211022.

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 220112221011211 - 2¹ = 220112221011209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220112221011281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684295378145 + ... + 2684295378226.

It is an arithmetic number, because the mean of its divisors is an integer number (56370202941906).

Almost surely, 2^{220112221011211} is an apocalyptic number.

220112221011211 is a deficient number, since it is larger than the sum of its proper divisors (5368590756413).

220112221011211 is an equidigital number, since it uses as much as digits as its factorization.

220112221011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368590756412.

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

Adding to 220112221011211 its reverse (112110122211022), we get a palindrome (332222343222233).

The spelling of 220112221011211 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred twenty-one million, eleven thousand, two hundred eleven".