204140124213211 has 2 divisors, whose sum is σ = 204140124213212. Its totient is φ = 204140124213210.

The previous prime is 204140124213121. The next prime is 204140124213329. The reversal of 204140124213211 is 112312421041402.

Together with previous prime (204140124213121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204140124213211 - 2⁷ = 204140124213083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204140124213211.

It is not a weakly prime, because it can be changed into another prime (204140124213811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102070062106605 + 102070062106606.

It is an arithmetic number, because the mean of its divisors is an integer number (102070062106606).

Almost surely, 2^{204140124213211} is an apocalyptic number.

204140124213211 is a deficient number, since it is larger than the sum of its proper divisors (1).

204140124213211 is an equidigital number, since it uses as much as digits as its factorization.

204140124213211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 204140124213211 its reverse (112312421041402), we get a palindrome (316452545254613).

The spelling of 204140124213211 in words is "two hundred four trillion, one hundred forty billion, one hundred twenty-four million, two hundred thirteen thousand, two hundred eleven".