100221202209 has 8 divisors (see below), whose sum is σ = 133814125440. Its totient is φ = 66721206896.

The previous prime is 100221202183. The next prime is 100221202273. The reversal of 100221202209 is 902202122001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100221202209 - 2¹¹ = 100221200161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221207209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23229462 + ... + 23233775.

It is an arithmetic number, because the mean of its divisors is an integer number (16726765680).

Almost surely, 2^100221202209 is an apocalyptic number.

It is an amenable number.

100221202209 is a deficient number, since it is larger than the sum of its proper divisors (33592923231).

100221202209 is an equidigital number, since it uses as much as digits as its factorization.

100221202209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46463959.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 100221202209 in words is "one hundred billion, two hundred twenty-one million, two hundred two thousand, two hundred nine".