202201102020221 has 8 divisors (see below), whose sum is σ = 206054319204864. Its totient is φ = 198349296022800.

The previous prime is 202201102020193. The next prime is 202201102020251. The reversal of 202201102020221 is 122020201102202.

It is a happy number.

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

It is not a de Polignac number, because 202201102020221 - 2¹⁴ = 202201102003837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202201102020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201102020251) 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, 352507505 + ... + 353080646.

It is an arithmetic number, because the mean of its divisors is an integer number (25756789900608).

Almost surely, 2^{202201102020221} is an apocalyptic number.

It is an amenable number.

202201102020221 is a deficient number, since it is larger than the sum of its proper divisors (3853217184643).

202201102020221 is an equidigital number, since it uses as much as digits as its factorization.

202201102020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705593611.

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

Adding to 202201102020221 its reverse (122020201102202), we get a palindrome (324221303122423).

The spelling of 202201102020221 in words is "two hundred two trillion, two hundred one billion, one hundred two million, twenty thousand, two hundred twenty-one".