100315001220108 has 12 divisors (see below), whose sum is σ = 234068336180280. Its totient is φ = 33438333740032.

The previous prime is 100315001220107. The next prime is 100315001220131. The reversal of 100315001220108 is 801022100513001.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (100315001220107) 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, 4179791717493 + ... + 4179791717516.

It is an arithmetic number, because the mean of its divisors is an integer number (19505694681690).

Almost surely, 2^{100315001220108} is an apocalyptic number.

It is an amenable number.

100315001220108 is an abundant number, since it is smaller than the sum of its proper divisors (133753334960172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100315001220108 is a wasteful number, since it uses less digits than its factorization.

100315001220108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8359583435016 (or 8359583435014 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 100315001220108 its reverse (801022100513001), we get a palindrome (901337101733109).

The spelling of 100315001220108 in words is "one hundred trillion, three hundred fifteen billion, one million, two hundred twenty thousand, one hundred eight".