543100222313221 has 2 divisors, whose sum is σ = 543100222313222. Its totient is φ = 543100222313220.

The previous prime is 543100222313189. The next prime is 543100222313237. The reversal of 543100222313221 is 122313222001345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459515172053025 + 83585050260196 = 21436305^2 + 9142486^2 .

It is a cyclic number.

It is not a de Polignac number, because 543100222313221 - 2⁵ = 543100222313189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543100222313251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271550111156610 + 271550111156611.

It is an arithmetic number, because the mean of its divisors is an integer number (271550111156611).

Almost surely, 2^{543100222313221} is an apocalyptic number.

It is an amenable number.

543100222313221 is a deficient number, since it is larger than the sum of its proper divisors (1).

543100222313221 is an equidigital number, since it uses as much as digits as its factorization.

543100222313221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 543100222313221 its reverse (122313222001345), we get a palindrome (665413444314566).

The spelling of 543100222313221 in words is "five hundred forty-three trillion, one hundred billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-one".