216425101 has 8 divisors (see below), whose sum is σ = 231344064. Its totient is φ = 201965280.

The previous prime is 216425089. The next prime is 216425117. The reversal of 216425101 is 101524612.

216425101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 216425101 - 2⁷ = 216424973 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 (216425191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113811 + ... + 115696.

It is an arithmetic number, because the mean of its divisors is an integer number (28918008).

Almost surely, 2^216425101 is an apocalyptic number.

It is an amenable number.

216425101 is a deficient number, since it is larger than the sum of its proper divisors (14918963).

216425101 is a wasteful number, since it uses less digits than its factorization.

216425101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229571.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 216425101 is about 14711.3935777682. The cubic root of 216425101 is about 600.3933541016.

Adding to 216425101 its reverse (101524612), we get a palindrome (317949713).

The spelling of 216425101 in words is "two hundred sixteen million, four hundred twenty-five thousand, one hundred one".