210102121169 has 2 divisors, whose sum is σ = 210102121170. Its totient is φ = 210102121168.

The previous prime is 210102121129. The next prime is 210102121171. The reversal of 210102121169 is 961121201012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175005845569 + 35096275600 = 418337^2 + 187340^2 .

It is a cyclic number.

It is not a de Polignac number, because 210102121169 - 2²⁸ = 209833685713 is a prime.

It is a super-2 number, since 2×210102121169² (a number of 23 digits) contains 22 as substring.

Together with 210102121171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210102121129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051060584 + 105051060585.

It is an arithmetic number, because the mean of its divisors is an integer number (105051060585).

Almost surely, 2^210102121169 is an apocalyptic number.

It is an amenable number.

210102121169 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102121169 is an equidigital number, since it uses as much as digits as its factorization.

210102121169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 210102121169 in words is "two hundred ten billion, one hundred two million, one hundred twenty-one thousand, one hundred sixty-nine".