2011220221006 has 16 divisors (see below), whose sum is σ = 3140005352400. Its totient is φ = 964977245568.

The previous prime is 2011220221001. The next prime is 2011220221007. The reversal of 2011220221006 is 6001220221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220221001) 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 7 ways as a sum of consecutive naturals, for example, 106359291 + ... + 106378198.

It is an arithmetic number, because the mean of its divisors is an integer number (196250334525).

Almost surely, 2^{2011220221006} is an apocalyptic number.

2011220221006 is a deficient number, since it is larger than the sum of its proper divisors (1128785131394).

2011220221006 is a wasteful number, since it uses less digits than its factorization.

2011220221006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212737683.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2011220221006 its reverse (6001220221102), we get a palindrome (8012440442108).

The spelling of 2011220221006 in words is "two trillion, eleven billion, two hundred twenty million, two hundred twenty-one thousand, six".