100221201303 has 4 divisors (see below), whose sum is σ = 133628268408. Its totient is φ = 66814134200.

The previous prime is 100221201247. The next prime is 100221201319. The reversal of 100221201303 is 303102122001.

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 100221201303 - 2¹⁷ = 100221070231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221201373) 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, 16703533548 + ... + 16703533553.

It is an arithmetic number, because the mean of its divisors is an integer number (33407067102).

Almost surely, 2^100221201303 is an apocalyptic number.

100221201303 is a deficient number, since it is larger than the sum of its proper divisors (33407067105).

100221201303 is an equidigital number, since it uses as much as digits as its factorization.

100221201303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33407067104.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100221201303 its reverse (303102122001), we get a palindrome (403323323304).

The spelling of 100221201303 in words is "one hundred billion, two hundred twenty-one million, two hundred one thousand, three hundred three".