222101210201221 has 8 divisors (see below), whose sum is σ = 239186037041504. Its totient is φ = 205016400270000.

The previous prime is 222101210201201. The next prime is 222101210201239. The reversal of 222101210201221 is 122102012101222.

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 222101210201221 - 2¹¹ = 222101210199173 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 (222101210201201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40879630 + ... + 45992896.

It is an arithmetic number, because the mean of its divisors is an integer number (29898254630188).

Almost surely, 2^{222101210201221} is an apocalyptic number.

It is an amenable number.

222101210201221 is a deficient number, since it is larger than the sum of its proper divisors (17084826840283).

222101210201221 is a wasteful number, since it uses less digits than its factorization.

222101210201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454531.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222101210201221 its reverse (122102012101222), we get a palindrome (344203222302443).

The spelling of 222101210201221 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred ten million, two hundred one thousand, two hundred twenty-one".