411132221 has 2 divisors, whose sum is σ = 411132222. Its totient is φ = 411132220.

The previous prime is 411132191. The next prime is 411132287. The reversal of 411132221 is 122231114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410508121 + 624100 = 20261^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 411132221 - 2¹⁰ = 411131197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 411132221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411131221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205566110 + 205566111.

It is an arithmetic number, because the mean of its divisors is an integer number (205566111).

Almost surely, 2^411132221 is an apocalyptic number.

It is an amenable number.

411132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

411132221 is an equidigital number, since it uses as much as digits as its factorization.

411132221 is an evil number, because the sum of its binary digits is even.

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

The square root of 411132221 is about 20276.3956609650. The cubic root of 411132221 is about 743.5790949165.

Adding to 411132221 its reverse (122231114), we get a palindrome (533363335).

It can be divided in two parts, 41113 and 2221, that added together give a palindrome (43334).

The spelling of 411132221 in words is "four hundred eleven million, one hundred thirty-two thousand, two hundred twenty-one".