321541450211 has 2 divisors, whose sum is σ = 321541450212. Its totient is φ = 321541450210.

The previous prime is 321541450189. The next prime is 321541450231. The reversal of 321541450211 is 112054145123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321541450211 - 2⁶ = 321541450147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (321541450231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160770725105 + 160770725106.

It is an arithmetic number, because the mean of its divisors is an integer number (160770725106).

Almost surely, 2^321541450211 is an apocalyptic number.

321541450211 is a deficient number, since it is larger than the sum of its proper divisors (1).

321541450211 is an equidigital number, since it uses as much as digits as its factorization.

321541450211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 321541450211 its reverse (112054145123), we get a palindrome (433595595334).

The spelling of 321541450211 in words is "three hundred twenty-one billion, five hundred forty-one million, four hundred fifty thousand, two hundred eleven".