2212111020211 has 4 divisors (see below), whose sum is σ = 2216847875112. Its totient is φ = 2207374165312.

The previous prime is 2212111020167. The next prime is 2212111020221. The reversal of 2212111020211 is 1120201112122.

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 2212111020211 - 2¹⁷ = 2212110889139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212111020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368426750 + ... + 2368427683.

It is an arithmetic number, because the mean of its divisors is an integer number (554211968778).

Almost surely, 2^{2212111020211} is an apocalyptic number.

2212111020211 is a deficient number, since it is larger than the sum of its proper divisors (4736854901).

2212111020211 is an equidigital number, since it uses as much as digits as its factorization.

2212111020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736854900.

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

Adding to 2212111020211 its reverse (1120201112122), we get a palindrome (3332312132333).

The spelling of 2212111020211 in words is "two trillion, two hundred twelve billion, one hundred eleven million, twenty thousand, two hundred eleven".