100221103325 has 24 divisors (see below), whose sum is σ = 148202740608. Its totient is φ = 65735081280.

The previous prime is 100221103313. The next prime is 100221103331. The reversal of 100221103325 is 523301122001.

It is not a de Polignac number, because 100221103325 - 2⁶ = 100221103261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100221103297 and 100221103306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12445802 + ... + 12453851.

It is an arithmetic number, because the mean of its divisors is an integer number (6175114192).

Almost surely, 2^100221103325 is an apocalyptic number.

It is an amenable number.

100221103325 is a deficient number, since it is larger than the sum of its proper divisors (47981637283).

100221103325 is a wasteful number, since it uses less digits than its factorization.

100221103325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24899693 (or 24899688 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 100221103325 its reverse (523301122001), we get a palindrome (623522225326).

The spelling of 100221103325 in words is "one hundred billion, two hundred twenty-one million, one hundred three thousand, three hundred twenty-five".