210100010202169 has 2 divisors, whose sum is σ = 210100010202170. Its totient is φ = 210100010202168.

The previous prime is 210100010202157. The next prime is 210100010202259. The reversal of 210100010202169 is 961202010001012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206801282464569 + 3298727737600 = 14380587^2 + 1816240^2 .

It is a cyclic number.

It is not a de Polignac number, because 210100010202169 - 2⁷ = 210100010202041 is a prime.

It is a super-2 number, since 2×210100010202169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210100010202119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050005101084 + 105050005101085.

It is an arithmetic number, because the mean of its divisors is an integer number (105050005101085).

Almost surely, 2^{210100010202169} is an apocalyptic number.

It is an amenable number.

210100010202169 is a deficient number, since it is larger than the sum of its proper divisors (1).

210100010202169 is an equidigital number, since it uses as much as digits as its factorization.

210100010202169 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 25.

The spelling of 210100010202169 in words is "two hundred ten trillion, one hundred billion, ten million, two hundred two thousand, one hundred sixty-nine".