100221003003 has 16 divisors (see below), whose sum is σ = 147066062976. Its totient is φ = 60202477440.

The previous prime is 100221002941. The next prime is 100221003007. The reversal of 100221003003 is 300300122001.

It is a happy number.

It is not a de Polignac number, because 100221003003 - 2⁶ = 100221002939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100221003003.

It is not an unprimeable number, because it can be changed into a prime (100221003007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13434325 + ... + 13441782.

It is an arithmetic number, because the mean of its divisors is an integer number (9191628936).

Almost surely, 2^100221003003 is an apocalyptic number.

100221003003 is a deficient number, since it is larger than the sum of its proper divisors (46845059973).

100221003003 is a wasteful number, since it uses less digits than its factorization.

100221003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26876234.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 100221003003 its reverse (300300122001), we get a palindrome (400521125004).

The spelling of 100221003003 in words is "one hundred billion, two hundred twenty-one million, three thousand, three".