221010202222211 has 4 divisors (see below), whose sum is σ = 221010303096024. Its totient is φ = 221010101348400.

The previous prime is 221010202222129. The next prime is 221010202222247. The reversal of 221010202222211 is 112222202010122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221010202222211 - 2⁴⁶ = 150641458044547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221010204222211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47075810 + ... + 51557271.

It is an arithmetic number, because the mean of its divisors is an integer number (55252575774006).

Almost surely, 2^{221010202222211} is an apocalyptic number.

221010202222211 is a deficient number, since it is larger than the sum of its proper divisors (100873813).

221010202222211 is an equidigital number, since it uses as much as digits as its factorization.

221010202222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100873812.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221010202222211 its reverse (112222202010122), we get a palindrome (333232404232333).

The spelling of 221010202222211 in words is "two hundred twenty-one trillion, ten billion, two hundred two million, two hundred twenty-two thousand, two hundred eleven".