2160101 has 2 divisors, whose sum is σ = 2160102. Its totient is φ = 2160100.

The previous prime is 2160061. The next prime is 2160113. The reversal of 2160101 is 1010612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1437601 + 722500 = 1199^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160101 - 2¹⁸ = 1897957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2160131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080050 + 1080051.

It is an arithmetic number, because the mean of its divisors is an integer number (1080051).

2^2160101 is an apocalyptic number.

It is an amenable number.

2160101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160101 is an equidigital number, since it uses as much as digits as its factorization.

2160101 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 2160101 is about 1469.7282061660. The cubic root of 2160101 is about 129.2680961659.

Adding to 2160101 its reverse (1010612), we get a palindrome (3170713).

The spelling of 2160101 in words is "two million, one hundred sixty thousand, one hundred one".