2011221020202 has 16 divisors (see below), whose sum is σ = 4022501472000. Its totient is φ = 670397101472.

The previous prime is 2011221020201. The next prime is 2011221020251. The reversal of 2011221020202 is 2020201221102.

It is not an unprimeable number, because it can be changed into a prime (2011221020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030202 + ... + 2853797.

It is an arithmetic number, because the mean of its divisors is an integer number (251406342000).

Almost surely, 2^{2011221020202} is an apocalyptic number.

2011221020202 is an abundant number, since it is smaller than the sum of its proper divisors (2011280451798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011221020202 is a wasteful number, since it uses less digits than its factorization.

2011221020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952637.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2011221020202 its reverse (2020201221102), we get a palindrome (4031422241304).

The spelling of 2011221020202 in words is "two trillion, eleven billion, two hundred twenty-one million, twenty thousand, two hundred two".