16102201 has 2 divisors, whose sum is σ = 16102202. Its totient is φ = 16102200.

The previous prime is 16102199. The next prime is 16102211. The reversal of 16102201 is 10220161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 4405801 = 3420^2 + 2099^2 .

It is a cyclic number.

It is not a de Polignac number, because 16102201 - 2¹ = 16102199 is a prime.

Together with 16102199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8051100 + 8051101.

It is an arithmetic number, because the mean of its divisors is an integer number (8051101).

Almost surely, 2^16102201 is an apocalyptic number.

It is an amenable number.

16102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16102201 is an equidigital number, since it uses as much as digits as its factorization.

16102201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 16102201 is about 4012.7547894184. The cubic root of 16102201 is about 252.5195932905.

Adding to 16102201 its reverse (10220161), we get a palindrome (26322362).

The spelling of 16102201 in words is "sixteen million, one hundred two thousand, two hundred one".