100216501 has 16 divisors (see below), whose sum is σ = 125239680. Its totient is φ = 77906880.

The previous prime is 100216499. The next prime is 100216511. The reversal of 100216501 is 105612001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100216501 - 2¹ = 100216499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100216511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37915 + ... + 40471.

It is an arithmetic number, because the mean of its divisors is an integer number (7827480).

Almost surely, 2^100216501 is an apocalyptic number.

100216501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100216501 is a deficient number, since it is larger than the sum of its proper divisors (25023179).

100216501 is a wasteful number, since it uses less digits than its factorization.

100216501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 100216501 is about 10010.8191972485. The cubic root of 100216501 is about 464.4936114555.

Adding to 100216501 its reverse (105612001), we get a palindrome (205828502).

The spelling of 100216501 in words is "one hundred million, two hundred sixteen thousand, five hundred one".