221000220041 has 2 divisors, whose sum is σ = 221000220042. Its totient is φ = 221000220040.

The previous prime is 221000220017. The next prime is 221000220053. The reversal of 221000220041 is 140022000122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220997770816 + 2449225 = 470104^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 221000220041 - 2¹⁰ = 221000219017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221000219998 and 221000220025.

It is not a weakly prime, because it can be changed into another prime (221000220341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500110020 + 110500110021.

It is an arithmetic number, because the mean of its divisors is an integer number (110500110021).

Almost surely, 2^221000220041 is an apocalyptic number.

It is an amenable number.

221000220041 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000220041 is an equidigital number, since it uses as much as digits as its factorization.

221000220041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221000220041 its reverse (140022000122), we get a palindrome (361022220163).

The spelling of 221000220041 in words is "two hundred twenty-one billion, two hundred twenty thousand, forty-one".