2012221020211 has 4 divisors (see below), whose sum is σ = 2012235477424. Its totient is φ = 2012206563000.

The previous prime is 2012221020209. The next prime is 2012221020247. The reversal of 2012221020211 is 1120201222102.

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 2012221020211 - 2¹ = 2012221020209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012221027211) 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, 7017780 + ... + 7298881.

It is an arithmetic number, because the mean of its divisors is an integer number (503058869356).

Almost surely, 2^{2012221020211} is an apocalyptic number.

2012221020211 is a deficient number, since it is larger than the sum of its proper divisors (14457213).

2012221020211 is a wasteful number, since it uses less digits than its factorization.

2012221020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14457212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012221020211 its reverse (1120201222102), we get a palindrome (3132422242313).

The spelling of 2012221020211 in words is "two trillion, twelve billion, two hundred twenty-one million, twenty thousand, two hundred eleven".