221203433101241 has 2 divisors, whose sum is σ = 221203433101242. Its totient is φ = 221203433101240.

The previous prime is 221203433101181. The next prime is 221203433101291. The reversal of 221203433101241 is 142101334302122.

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., 160457449152400 + 60745983948841 = 12667180^2 + 7793971^2 .

It is a cyclic number.

It is not a de Polignac number, because 221203433101241 - 2³⁴ = 221186253232057 is a prime.

It is not a weakly prime, because it can be changed into another prime (221203433101291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110601716550620 + 110601716550621.

It is an arithmetic number, because the mean of its divisors is an integer number (110601716550621).

Almost surely, 2^{221203433101241} is an apocalyptic number.

It is an amenable number.

221203433101241 is a deficient number, since it is larger than the sum of its proper divisors (1).

221203433101241 is an equidigital number, since it uses as much as digits as its factorization.

221203433101241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 221203433101241 its reverse (142101334302122), we get a palindrome (363304767403363).

The spelling of 221203433101241 in words is "two hundred twenty-one trillion, two hundred three billion, four hundred thirty-three million, one hundred one thousand, two hundred forty-one".