411104214221 has 2 divisors, whose sum is σ = 411104214222. Its totient is φ = 411104214220.

The previous prime is 411104214217. The next prime is 411104214251. The reversal of 411104214221 is 122412401114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292502497225 + 118601716996 = 540835^2 + 344386^2 .

It is a cyclic number.

It is not a de Polignac number, because 411104214221 - 2² = 411104214217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411104214251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205552107110 + 205552107111.

It is an arithmetic number, because the mean of its divisors is an integer number (205552107111).

Almost surely, 2^411104214221 is an apocalyptic number.

It is an amenable number.

411104214221 is a deficient number, since it is larger than the sum of its proper divisors (1).

411104214221 is an equidigital number, since it uses as much as digits as its factorization.

411104214221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 411104214221 its reverse (122412401114), we get a palindrome (533516615335).

The spelling of 411104214221 in words is "four hundred eleven billion, one hundred four million, two hundred fourteen thousand, two hundred twenty-one".