2130101 has 2 divisors, whose sum is σ = 2130102. Its totient is φ = 2130100.

The previous prime is 2130061. The next prime is 2130133. The reversal of 2130101 is 1010312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 361201 = 1330^2 + 601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130101 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 (2130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065050 + 1065051.

It is an arithmetic number, because the mean of its divisors is an integer number (1065051).

2^2130101 is an apocalyptic number.

It is an amenable number.

2130101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130101 is an equidigital number, since it uses as much as digits as its factorization.

2130101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 2130101 is about 1459.4865535523. The cubic root of 2130101 is about 128.6668687598. Note that the first 3 decimals are identical.

Adding to 2130101 its reverse (1010312), we get a palindrome (3140413).

The spelling of 2130101 in words is "two million, one hundred thirty thousand, one hundred one".