216102 has 8 divisors (see below), whose sum is σ = 432216. Its totient is φ = 72032.

The previous prime is 216091. The next prime is 216103. The reversal of 216102 is 201612.

It is a sphenic number, since it is the product of 3 distinct primes.

216102 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 216102.

It is not an unprimeable number, because it can be changed into a prime (216103) 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, 18003 + ... + 18014.

It is an arithmetic number, because the mean of its divisors is an integer number (54027).

2²¹⁶¹⁰² is an apocalyptic number.

216102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216102 is a wasteful number, since it uses less digits than its factorization.

216102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36022.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 216102 is about 464.8677231213. The cubic root of 216102 is about 60.0094429582.

Adding to 216102 its reverse (201612), we get a palindrome (417714).

It can be divided in two parts, 21610 and 2, that added together give a palindrome (21612).

The spelling of 216102 in words is "two hundred sixteen thousand, one hundred two".