2012221220211 has 12 divisors (see below), whose sum is σ = 2985096945792. Its totient is φ = 1305224575056.

The previous prime is 2012221220203. The next prime is 2012221220257. The reversal of 2012221220211 is 1120221222102.

It is a happy number.

2012221220211 is a `hidden beast` number, since 2 + 0 + 12 + 221 + 220 + 211 = 666.

It is not a de Polignac number, because 2012221220211 - 2³ = 2012221220203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012221220011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3021352851 + ... + 3021353516.

It is an arithmetic number, because the mean of its divisors is an integer number (248758078816).

Almost surely, 2^{2012221220211} is an apocalyptic number.

2012221220211 is a deficient number, since it is larger than the sum of its proper divisors (972875725581).

2012221220211 is a wasteful number, since it uses less digits than its factorization.

2012221220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6042706410 (or 6042706407 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2012221220211 its reverse (1120221222102), we get a palindrome (3132442442313).

The spelling of 2012221220211 in words is "two trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand, two hundred eleven".