2222101020221 has 8 divisors (see below), whose sum is σ = 2224125112320. Its totient is φ = 2220077269072.

The previous prime is 2222101020151. The next prime is 2222101020323. The reversal of 2222101020221 is 1220201012222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222101020221 - 2¹⁸ = 2222100758077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222101020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222101020721) 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 7 ways as a sum of consecutive naturals, for example, 14008871 + ... + 14166603.

It is an arithmetic number, because the mean of its divisors is an integer number (278015639040).

Almost surely, 2^{2222101020221} is an apocalyptic number.

It is an amenable number.

2222101020221 is a deficient number, since it is larger than the sum of its proper divisors (2024092099).

2222101020221 is a wasteful number, since it uses less digits than its factorization.

2222101020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170475.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2222101020221 its reverse (1220201012222), we get a palindrome (3442302032443).

The spelling of 2222101020221 in words is "two trillion, two hundred twenty-two billion, one hundred one million, twenty thousand, two hundred twenty-one".