210221210748067 has 2 divisors, whose sum is σ = 210221210748068. Its totient is φ = 210221210748066.

The previous prime is 210221210748041. The next prime is 210221210748071. The reversal of 210221210748067 is 760847012122012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210221210748067 - 2⁷ = 210221210747939 is a prime.

It is not a weakly prime, because it can be changed into another prime (210221210743067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110605374033 + 105110605374034.

It is an arithmetic number, because the mean of its divisors is an integer number (105110605374034).

Almost surely, 2^{210221210748067} is an apocalyptic number.

210221210748067 is a deficient number, since it is larger than the sum of its proper divisors (1).

210221210748067 is an equidigital number, since it uses as much as digits as its factorization.

210221210748067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 210221210748067 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred ten million, seven hundred forty-eight thousand, sixty-seven".