220221011020211 has 2 divisors, whose sum is σ = 220221011020212. Its totient is φ = 220221011020210.

The previous prime is 220221011020189. The next prime is 220221011020217. The reversal of 220221011020211 is 112020110122022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220221011020211 - 2¹⁴ = 220221011003827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220221011020211.

It is not a weakly prime, because it can be changed into another prime (220221011020217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110505510105 + 110110505510106.

It is an arithmetic number, because the mean of its divisors is an integer number (110110505510106).

Almost surely, 2^{220221011020211} is an apocalyptic number.

220221011020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221011020211 is an equidigital number, since it uses as much as digits as its factorization.

220221011020211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220221011020211 its reverse (112020110122022), we get a palindrome (332241121142233).

The spelling of 220221011020211 in words is "two hundred twenty trillion, two hundred twenty-one billion, eleven million, twenty thousand, two hundred eleven".