210221211010711 has 2 divisors, whose sum is σ = 210221211010712. Its totient is φ = 210221211010710.

The previous prime is 210221211010703. The next prime is 210221211010721. The reversal of 210221211010711 is 117010112122012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210221211010711 - 2³ = 210221211010703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210221211010721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110605505355 + 105110605505356.

It is an arithmetic number, because the mean of its divisors is an integer number (105110605505356).

Almost surely, 2^{210221211010711} is an apocalyptic number.

210221211010711 is a deficient number, since it is larger than the sum of its proper divisors (1).

210221211010711 is an equidigital number, since it uses as much as digits as its factorization.

210221211010711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 210221211010711 its reverse (117010112122012), we get a palindrome (327231323132723).

The spelling of 210221211010711 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred eleven million, ten thousand, seven hundred eleven".