211300104221 has 2 divisors, whose sum is σ = 211300104222. Its totient is φ = 211300104220.

The previous prime is 211300104217. The next prime is 211300104229. The reversal of 211300104221 is 122401003112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141398560900 + 69901543321 = 376030^2 + 264389^2 .

It is a cyclic number.

It is not a de Polignac number, because 211300104221 - 2² = 211300104217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211300104221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211300104229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105650052110 + 105650052111.

It is an arithmetic number, because the mean of its divisors is an integer number (105650052111).

Almost surely, 2^211300104221 is an apocalyptic number.

It is an amenable number.

211300104221 is a deficient number, since it is larger than the sum of its proper divisors (1).

211300104221 is an equidigital number, since it uses as much as digits as its factorization.

211300104221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211300104221 its reverse (122401003112), we get a palindrome (333701107333).

The spelling of 211300104221 in words is "two hundred eleven billion, three hundred million, one hundred four thousand, two hundred twenty-one".