9800220211 has 2 divisors, whose sum is σ = 9800220212. Its totient is φ = 9800220210.

The previous prime is 9800220169. The next prime is 9800220253. The reversal of 9800220211 is 1120220089.

It is a balanced prime because it is at equal distance from previous prime (9800220169) and next prime (9800220253).

It is an emirp because it is prime and its reverse (1120220089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9800220211 - 2¹⁵ = 9800187443 is a prime.

It is not a weakly prime, because it can be changed into another prime (9800220011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900110105 + 4900110106.

It is an arithmetic number, because the mean of its divisors is an integer number (4900110106).

Almost surely, 2^9800220211 is an apocalyptic number.

9800220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

9800220211 is an equidigital number, since it uses as much as digits as its factorization.

9800220211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 9800220211 is about 98996.0615933786. The cubic root of 9800220211 is about 2139.9909897865.

The spelling of 9800220211 in words is "nine billion, eight hundred million, two hundred twenty thousand, two hundred eleven".