221020022200211 has 64 divisors (see below), whose sum is σ = 253795909506048. Its totient is φ = 190671625064448.

The previous prime is 221020022200189. The next prime is 221020022200213. The reversal of 221020022200211 is 112002220020122.

It is a happy number.

221020022200211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221020022200211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 221020022200211.

It is not an unprimeable number, because it can be changed into a prime (221020022200213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43277855720 + ... + 43277860826.

It is an arithmetic number, because the mean of its divisors is an integer number (3965561086032).

Almost surely, 2^{221020022200211} is an apocalyptic number.

221020022200211 is a deficient number, since it is larger than the sum of its proper divisors (32775887305837).

221020022200211 is a wasteful number, since it uses less digits than its factorization.

221020022200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

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

Adding to 221020022200211 its reverse (112002220020122), we get a palindrome (333022242220333).

The spelling of 221020022200211 in words is "two hundred twenty-one trillion, twenty billion, twenty-two million, two hundred thousand, two hundred eleven".