221000220210211 has 8 divisors (see below), whose sum is σ = 238074915649424. Its totient is φ = 203936193128160.

The previous prime is 221000220210149. The next prime is 221000220210271. The reversal of 221000220210211 is 112012022000122.

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 221000220210211 - 2²⁹ = 220999683339299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221000220210271) 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, 2667046260 + ... + 2667129121.

It is an arithmetic number, because the mean of its divisors is an integer number (29759364456178).

Almost surely, 2^{221000220210211} is an apocalyptic number.

221000220210211 is a deficient number, since it is larger than the sum of its proper divisors (17074695439213).

221000220210211 is a wasteful number, since it uses less digits than its factorization.

221000220210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334178581.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221000220210211 its reverse (112012022000122), we get a palindrome (333012242210333).

The spelling of 221000220210211 in words is "two hundred twenty-one trillion, two hundred twenty million, two hundred ten thousand, two hundred eleven".