2220202220221 has 16 divisors (see below), whose sum is σ = 2300015283840. Its totient is φ = 2140607649600.

The previous prime is 2220202220209. The next prime is 2220202220287. The reversal of 2220202220221 is 1220222020222.

It is a cyclic number.

It is not a de Polignac number, because 2220202220221 - 2³⁹ = 1670446406333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220202220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97336000 + ... + 97358806.

It is an arithmetic number, because the mean of its divisors is an integer number (143750955240).

Almost surely, 2^{2220202220221} is an apocalyptic number.

It is an amenable number.

2220202220221 is a deficient number, since it is larger than the sum of its proper divisors (79813063619).

2220202220221 is a wasteful number, since it uses less digits than its factorization.

2220202220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27444.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2220202220221 its reverse (1220222020222), we get a palindrome (3440424240443).

The spelling of 2220202220221 in words is "two trillion, two hundred twenty billion, two hundred two million, two hundred twenty thousand, two hundred twenty-one".