210221033047 has 2 divisors, whose sum is σ = 210221033048. Its totient is φ = 210221033046.

The previous prime is 210221032997. The next prime is 210221033059. The reversal of 210221033047 is 740330122012.

It is a happy number.

210221033047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210221033047 - 2¹⁹ = 210220508759 is a prime.

It is a super-2 number, since 2×210221033047² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210221033947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110516523 + 105110516524.

It is an arithmetic number, because the mean of its divisors is an integer number (105110516524).

Almost surely, 2^210221033047 is an apocalyptic number.

210221033047 is a deficient number, since it is larger than the sum of its proper divisors (1).

210221033047 is an equidigital number, since it uses as much as digits as its factorization.

210221033047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 210221033047 its reverse (740330122012), we get a palindrome (950551155059).

The spelling of 210221033047 in words is "two hundred ten billion, two hundred twenty-one million, thirty-three thousand, forty-seven".