16100502172201 has 2 divisors, whose sum is σ = 16100502172202. Its totient is φ = 16100502172200.

The previous prime is 16100502172199. The next prime is 16100502172217. The reversal of 16100502172201 is 10227120500161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13012064986176 + 3088437186025 = 3607224^2 + 1757395^2 .

It is a cyclic number.

It is not a de Polignac number, because 16100502172201 - 2¹ = 16100502172199 is a prime.

Together with 16100502172199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16100502172201.

It is not a weakly prime, because it can be changed into another prime (16100502175201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8050251086100 + 8050251086101.

It is an arithmetic number, because the mean of its divisors is an integer number (8050251086101).

Almost surely, 2^{16100502172201} is an apocalyptic number.

It is an amenable number.

16100502172201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16100502172201 is an equidigital number, since it uses as much as digits as its factorization.

16100502172201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 16100502172201 its reverse (10227120500161), we get a palindrome (26327622672362).

The spelling of 16100502172201 in words is "sixteen trillion, one hundred billion, five hundred two million, one hundred seventy-two thousand, two hundred one".