100002100325 has 6 divisors (see below), whose sum is σ = 124002604434. Its totient is φ = 80001680240.

The previous prime is 100002100301. The next prime is 100002100333. The reversal of 100002100325 is 523001200001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18395521 + 99983704804 = 4289^2 + 316202^2 .

It is a de Polignac number, because none of the positive numbers 2^k-100002100325 is a prime.

It is a super-2 number, since 2×100002100325² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2000041982 + ... + 2000042031.

It is an arithmetic number, because the mean of its divisors is an integer number (20667100739).

Almost surely, 2^100002100325 is an apocalyptic number.

It is an amenable number.

100002100325 is a deficient number, since it is larger than the sum of its proper divisors (24000504109).

100002100325 is an equidigital number, since it uses as much as digits as its factorization.

100002100325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000084023 (or 4000084018 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 100002100325 its reverse (523001200001), we get a palindrome (623003300326).

The spelling of 100002100325 in words is "one hundred billion, two million, one hundred thousand, three hundred twenty-five".