210210022110191 has 2 divisors, whose sum is σ = 210210022110192. Its totient is φ = 210210022110190.

The previous prime is 210210022110181. The next prime is 210210022110203. The reversal of 210210022110191 is 191011220012012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210210022110191 - 2¹⁰ = 210210022109167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210210022110181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105011055095 + 105105011055096.

It is an arithmetic number, because the mean of its divisors is an integer number (105105011055096).

Almost surely, 2^{210210022110191} is an apocalyptic number.

210210022110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

210210022110191 is an equidigital number, since it uses as much as digits as its factorization.

210210022110191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 210210022110191 in words is "two hundred ten trillion, two hundred ten billion, twenty-two million, one hundred ten thousand, one hundred ninety-one".