100221222099 has 4 divisors (see below), whose sum is σ = 133628296136. Its totient is φ = 66814148064.

The previous prime is 100221222053. The next prime is 100221222103. The reversal of 100221222099 is 990222122001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100221222099 - 2⁹ = 100221221587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221222499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16703537014 + ... + 16703537019.

It is an arithmetic number, because the mean of its divisors is an integer number (33407074034).

Almost surely, 2^100221222099 is an apocalyptic number.

100221222099 is a deficient number, since it is larger than the sum of its proper divisors (33407074037).

100221222099 is an equidigital number, since it uses as much as digits as its factorization.

100221222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33407074036.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 100221222099 in words is "one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, ninety-nine".