21202222210201 has 8 divisors (see below), whose sum is σ = 21501227822400. Its totient is φ = 20903227230480.

The previous prime is 21202222210189. The next prime is 21202222210237. The reversal of 21202222210201 is 10201222220212.

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 21202222210201 - 2⁹ = 21202222209689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202222210501) 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, 1401615 + ... + 6661003.

It is an arithmetic number, because the mean of its divisors is an integer number (2687653477800).

Almost surely, 2^{21202222210201} is an apocalyptic number.

It is an amenable number.

21202222210201 is a deficient number, since it is larger than the sum of its proper divisors (299005612199).

21202222210201 is an equidigital number, since it uses as much as digits as its factorization.

21202222210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316239.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21202222210201 its reverse (10201222220212), we get a palindrome (31403444430413).

The spelling of 21202222210201 in words is "twenty-one trillion, two hundred two billion, two hundred twenty-two million, two hundred ten thousand, two hundred one".