1112221020211 has 4 divisors (see below), whose sum is σ = 1271109737392. Its totient is φ = 953332303032.

The previous prime is 1112221020179. The next prime is 1112221020221. The reversal of 1112221020211 is 1120201222111.

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 1112221020211 - 2⁵ = 1112221020179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112221020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79444358580 + ... + 79444358593.

It is an arithmetic number, because the mean of its divisors is an integer number (317777434348).

Almost surely, 2^{1112221020211} is an apocalyptic number.

1112221020211 is a deficient number, since it is larger than the sum of its proper divisors (158888717181).

1112221020211 is an equidigital number, since it uses as much as digits as its factorization.

1112221020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158888717180.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112221020211 its reverse (1120201222111), we get a palindrome (2232422242322).

The spelling of 1112221020211 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, twenty thousand, two hundred eleven".