211010047 has 2 divisors, whose sum is σ = 211010048. Its totient is φ = 211010046.

The previous prime is 211009999. The next prime is 211010057. The reversal of 211010047 is 740010112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211010047 - 2²³ = 202621439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211010047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211010057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505023 + 105505024.

It is an arithmetic number, because the mean of its divisors is an integer number (105505024).

Almost surely, 2^211010047 is an apocalyptic number.

211010047 is a deficient number, since it is larger than the sum of its proper divisors (1).

211010047 is an equidigital number, since it uses as much as digits as its factorization.

211010047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 211010047 is about 14526.1848742194. The cubic root of 211010047 is about 595.3436303306.

Adding to 211010047 its reverse (740010112), we get a palindrome (951020159).

The spelling of 211010047 in words is "two hundred eleven million, ten thousand, forty-seven".