10211021100169 has 2 divisors, whose sum is σ = 10211021100170. Its totient is φ = 10211021100168.

The previous prime is 10211021100167. The next prime is 10211021100191. The reversal of 10211021100169 is 96100112011201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8670592600569 + 1540428499600 = 2944587^2 + 1241140^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211021100169 - 2¹ = 10211021100167 is a prime.

It is a super-2 number, since 2×10211021100169² (a number of 27 digits) contains 22 as substring.

Together with 10211021100167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10211021100167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105510550084 + 5105510550085.

It is an arithmetic number, because the mean of its divisors is an integer number (5105510550085).

Almost surely, 2^{10211021100169} is an apocalyptic number.

It is an amenable number.

10211021100169 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211021100169 is an equidigital number, since it uses as much as digits as its factorization.

10211021100169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 10211021100169 in words is "ten trillion, two hundred eleven billion, twenty-one million, one hundred thousand, one hundred sixty-nine".