100216215 has 48 divisors (see below), whose sum is σ = 190663200. Its totient is φ = 48291840.

The previous prime is 100216213. The next prime is 100216231. The reversal of 100216215 is 512612001.

It is not a de Polignac number, because 100216215 - 2¹ = 100216213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100216213) 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 47 ways as a sum of consecutive naturals, for example, 95011 + ... + 96059.

It is an arithmetic number, because the mean of its divisors is an integer number (3972150).

Almost surely, 2^100216215 is an apocalyptic number.

100216215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100216215 is a deficient number, since it is larger than the sum of its proper divisors (90446985).

100216215 is a wasteful number, since it uses less digits than its factorization.

100216215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 100216215 is about 10010.8049126931. The cubic root of 100216215 is about 464.4931695945.

Adding to 100216215 its reverse (512612001), we get a palindrome (612828216).

The spelling of 100216215 in words is "one hundred million, two hundred sixteen thousand, two hundred fifteen".