211242004307 has 2 divisors, whose sum is σ = 211242004308. Its totient is φ = 211242004306.

The previous prime is 211242004289. The next prime is 211242004319. The reversal of 211242004307 is 703400242112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211242004307 - 2¹⁴ = 211241987923 is a prime.

It is not a weakly prime, because it can be changed into another prime (211242004387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105621002153 + 105621002154.

It is an arithmetic number, because the mean of its divisors is an integer number (105621002154).

Almost surely, 2^211242004307 is an apocalyptic number.

211242004307 is a deficient number, since it is larger than the sum of its proper divisors (1).

211242004307 is an equidigital number, since it uses as much as digits as its factorization.

211242004307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 211242004307 its reverse (703400242112), we get a palindrome (914642246419).

The spelling of 211242004307 in words is "two hundred eleven billion, two hundred forty-two million, four thousand, three hundred seven".