221210354341 has 2 divisors, whose sum is σ = 221210354342. Its totient is φ = 221210354340.

The previous prime is 221210354317. The next prime is 221210354359. The reversal of 221210354341 is 143453012122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221186793025 + 23561316 = 470305^2 + 4854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221210354341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221210354641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110605177170 + 110605177171.

It is an arithmetic number, because the mean of its divisors is an integer number (110605177171).

Almost surely, 2^221210354341 is an apocalyptic number.

It is an amenable number.

221210354341 is a deficient number, since it is larger than the sum of its proper divisors (1).

221210354341 is an equidigital number, since it uses as much as digits as its factorization.

221210354341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 221210354341 its reverse (143453012122), we get a palindrome (364663366463).

The spelling of 221210354341 in words is "two hundred twenty-one billion, two hundred ten million, three hundred fifty-four thousand, three hundred forty-one".