9999202211 has 2 divisors, whose sum is σ = 9999202212. Its totient is φ = 9999202210.

The previous prime is 9999202207. The next prime is 9999202247. The reversal of 9999202211 is 1122029999.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9999202211 - 2² = 9999202207 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9999202271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999601105 + 4999601106.

It is an arithmetic number, because the mean of its divisors is an integer number (4999601106).

Almost surely, 2^9999202211 is an apocalyptic number.

9999202211 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999202211 is an equidigital number, since it uses as much as digits as its factorization.

9999202211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 9999202211 is about 99996.0109754384. The cubic root of 9999202211 is about 2154.3773956983.

The spelling of 9999202211 in words is "nine billion, nine hundred ninety-nine million, two hundred two thousand, two hundred eleven".