2130911 has 2 divisors, whose sum is σ = 2130912. Its totient is φ = 2130910.

The previous prime is 2130901. The next prime is 2130917. The reversal of 2130911 is 1190312.

It is a happy number.

2130911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130911 - 2¹⁰ = 2129887 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065455 + 1065456.

It is an arithmetic number, because the mean of its divisors is an integer number (1065456).

2^2130911 is an apocalyptic number.

2130911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130911 is an equidigital number, since it uses as much as digits as its factorization.

2130911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2130911 is about 1459.7640220255. The cubic root of 2130911 is about 128.6831758044.

The spelling of 2130911 in words is "two million, one hundred thirty thousand, nine hundred eleven".