100221032099 has 4 divisors (see below), whose sum is σ = 101919693720. Its totient is φ = 98522370480.

The previous prime is 100221032081. The next prime is 100221032101. The reversal of 100221032099 is 990230122001.

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

It is a cyclic number.

It is not a de Polignac number, because 100221032099 - 2¹² = 100221028003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221032029) 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, 849330722 + ... + 849330839.

It is an arithmetic number, because the mean of its divisors is an integer number (25479923430).

Almost surely, 2^100221032099 is an apocalyptic number.

100221032099 is a deficient number, since it is larger than the sum of its proper divisors (1698661621).

100221032099 is an equidigital number, since it uses as much as digits as its factorization.

100221032099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698661620.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 100221032099 in words is "one hundred billion, two hundred twenty-one million, thirty-two thousand, ninety-nine".