100331221003 has 8 divisors (see below), whose sum is σ = 108052370496. Its totient is φ = 92610552000.

The previous prime is 100331220989. The next prime is 100331221021. The reversal of 100331221003 is 300122133001.

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 100331221003 - 2¹⁷ = 100331089931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100331221063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395598 + ... + 597628.

It is an arithmetic number, because the mean of its divisors is an integer number (13506546312).

Almost surely, 2^100331221003 is an apocalyptic number.

100331221003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100331221003 is a deficient number, since it is larger than the sum of its proper divisors (7721149493).

100331221003 is a wasteful number, since it uses less digits than its factorization.

100331221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240245.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100331221003 its reverse (300122133001), we get a palindrome (400453354004).

The spelling of 100331221003 in words is "one hundred billion, three hundred thirty-one million, two hundred twenty-one thousand, three".