100111216 has 10 divisors (see below), whose sum is σ = 193965512. Its totient is φ = 50055600.

The previous prime is 100111189. The next prime is 100111229. The reversal of 100111216 is 612111001.

It is a junction number, because it is equal to n+sod(n) for n = 100111196 and 100111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128460 + ... + 3128491.

Almost surely, 2^100111216 is an apocalyptic number.

100111216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100111216 is a deficient number, since it is larger than the sum of its proper divisors (93854296).

100111216 is an equidigital number, since it uses as much as digits as its factorization.

100111216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256959 (or 6256953 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 100111216 is about 10005.5592547343. The cubic root of 100111216 is about 464.3308925910.

Adding to 100111216 its reverse (612111001), we get a palindrome (712222217).

The spelling of 100111216 in words is "one hundred million, one hundred eleven thousand, two hundred sixteen".