221050524130001 has 2 divisors, whose sum is σ = 221050524130002. Its totient is φ = 221050524130000.

The previous prime is 221050524129991. The next prime is 221050524130003. The reversal of 221050524130001 is 100031425050122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193482563859601 + 27567960270400 = 13909801^2 + 5250520^2 .

It is a cyclic number.

It is not a de Polignac number, because 221050524130001 - 2⁴⁶ = 150681779952337 is a prime.

Together with 221050524130003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (221050524130003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110525262065000 + 110525262065001.

It is an arithmetic number, because the mean of its divisors is an integer number (110525262065001).

Almost surely, 2^{221050524130001} is an apocalyptic number.

It is an amenable number.

221050524130001 is a deficient number, since it is larger than the sum of its proper divisors (1).

221050524130001 is an equidigital number, since it uses as much as digits as its factorization.

221050524130001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 221050524130001 its reverse (100031425050122), we get a palindrome (321081949180123).

The spelling of 221050524130001 in words is "two hundred twenty-one trillion, fifty billion, five hundred twenty-four million, one hundred thirty thousand, one".