2221000099 has 2 divisors, whose sum is σ = 2221000100. Its totient is φ = 2221000098.

The previous prime is 2221000097. The next prime is 2221000121. The reversal of 2221000099 is 9900001222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221000099 - 2¹ = 2221000097 is a prime.

Together with 2221000097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2221000091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110500049 + 1110500050.

It is an arithmetic number, because the mean of its divisors is an integer number (1110500050).

Almost surely, 2^2221000099 is an apocalyptic number.

2221000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221000099 is an equidigital number, since it uses as much as digits as its factorization.

2221000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2221000099 is about 47127.4877221352. The cubic root of 2221000099 is about 1304.7166139895.

The spelling of 2221000099 in words is "two billion, two hundred twenty-one million, ninety-nine", and thus it is an aban number.