2220112021211 has 4 divisors (see below), whose sum is σ = 2537270881392. Its totient is φ = 1902953161032.

The previous prime is 2220112021189. The next prime is 2220112021217. The reversal of 2220112021211 is 1121202110222.

2220112021211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2220112021211 - 2¹⁴ = 2220112004827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220112021211.

It is not an unprimeable number, because it can be changed into a prime (2220112021217) 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, 158579430080 + ... + 158579430093.

It is an arithmetic number, because the mean of its divisors is an integer number (634317720348).

Almost surely, 2^{2220112021211} is an apocalyptic number.

2220112021211 is a deficient number, since it is larger than the sum of its proper divisors (317158860181).

2220112021211 is an equidigital number, since it uses as much as digits as its factorization.

2220112021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317158860180.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2220112021211 its reverse (1121202110222), we get a palindrome (3341314131433).

The spelling of 2220112021211 in words is "two trillion, two hundred twenty billion, one hundred twelve million, twenty-one thousand, two hundred eleven".