200221220611 has 2 divisors, whose sum is σ = 200221220612. Its totient is φ = 200221220610.

The previous prime is 200221220579. The next prime is 200221220653. The reversal of 200221220611 is 116022122002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200221220611 - 2⁵ = 200221220579 is a prime.

It is not a weakly prime, because it can be changed into another prime (200221220911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110610305 + 100110610306.

It is an arithmetic number, because the mean of its divisors is an integer number (100110610306).

Almost surely, 2^200221220611 is an apocalyptic number.

200221220611 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221220611 is an equidigital number, since it uses as much as digits as its factorization.

200221220611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 200221220611 its reverse (116022122002), we get a palindrome (316243342613).

The spelling of 200221220611 in words is "two hundred billion, two hundred twenty-one million, two hundred twenty thousand, six hundred eleven".