16122101 has 2 divisors, whose sum is σ = 16122102. Its totient is φ = 16122100.

The previous prime is 16122097. The next prime is 16122107. The reversal of 16122101 is 10122161.

16122101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 361201 = 3970^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 16122101 - 2² = 16122097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16122107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061050 + 8061051.

It is an arithmetic number, because the mean of its divisors is an integer number (8061051).

Almost surely, 2^16122101 is an apocalyptic number.

It is an amenable number.

16122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16122101 is an equidigital number, since it uses as much as digits as its factorization.

16122101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 16122101 is about 4015.2336171137. The cubic root of 16122101 is about 252.6235764088.

Adding to 16122101 its reverse (10122161), we get a palindrome (26244262).

The spelling of 16122101 in words is "sixteen million, one hundred twenty-two thousand, one hundred one".