221232200222041 has 2 divisors, whose sum is σ = 221232200222042. Its totient is φ = 221232200222040.

The previous prime is 221232200222039. The next prime is 221232200222063. The reversal of 221232200222041 is 140222002232122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173146227518016 + 48085972704025 = 13158504^2 + 6934405^2 .

It is a cyclic number.

It is not a de Polignac number, because 221232200222041 - 2¹ = 221232200222039 is a prime.

Together with 221232200222039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 221232200221997 and 221232200222015.

It is not a weakly prime, because it can be changed into another prime (221232200222741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110616100111020 + 110616100111021.

It is an arithmetic number, because the mean of its divisors is an integer number (110616100111021).

Almost surely, 2^{221232200222041} is an apocalyptic number.

It is an amenable number.

221232200222041 is a deficient number, since it is larger than the sum of its proper divisors (1).

221232200222041 is an equidigital number, since it uses as much as digits as its factorization.

221232200222041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 221232200222041 its reverse (140222002232122), we get a palindrome (361454202454163).

The spelling of 221232200222041 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred million, two hundred twenty-two thousand, forty-one".