411222041001221 has 4 divisors (see below), whose sum is σ = 411226267386444. Its totient is φ = 411217814616000.

The previous prime is 411222041001193. The next prime is 411222041001259. The reversal of 411222041001221 is 122100140222114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46743885302500 + 364478155698721 = 6836950^2 + 19091311^2 .

It is a cyclic number.

It is not a de Polignac number, because 411222041001221 - 2³⁸ = 410947163094277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411222041001271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113046660 + ... + 2113241261.

It is an arithmetic number, because the mean of its divisors is an integer number (102806566846611).

Almost surely, 2^{411222041001221} is an apocalyptic number.

It is an amenable number.

411222041001221 is a deficient number, since it is larger than the sum of its proper divisors (4226385223).

411222041001221 is an equidigital number, since it uses as much as digits as its factorization.

411222041001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226385222.

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

Adding to 411222041001221 its reverse (122100140222114), we get a palindrome (533322181223335).

The spelling of 411222041001221 in words is "four hundred eleven trillion, two hundred twenty-two billion, forty-one million, one thousand, two hundred twenty-one".