216000101 has 2 divisors, whose sum is σ = 216000102. Its totient is φ = 216000100.

The previous prime is 216000077. The next prime is 216000119. The reversal of 216000101 is 101000612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205951201 + 10048900 = 14351^2 + 3170^2 .

It is a cyclic number.

It is not a de Polignac number, because 216000101 - 2¹⁴ = 215983717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108000050 + 108000051.

It is an arithmetic number, because the mean of its divisors is an integer number (108000051).

Almost surely, 2^216000101 is an apocalyptic number.

It is an amenable number.

216000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

216000101 is an equidigital number, since it uses as much as digits as its factorization.

216000101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 216000101 is about 14696.9418927884. The cubic root of 216000101 is about 600.0000935185. Note that the first 4 decimals are identical.

Adding to 216000101 its reverse (101000612), we get a palindrome (317000713).

The spelling of 216000101 in words is "two hundred sixteen million, one hundred one", and thus it is an aban number.