10121201200169 has 2 divisors, whose sum is σ = 10121201200170. Its totient is φ = 10121201200168.

The previous prime is 10121201200081. The next prime is 10121201200259. The reversal of 10121201200169 is 96100210212101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6994358749225 + 3126842450944 = 2644685^2 + 1768288^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121201200169 - 2²⁴ = 10121184422953 is a prime.

It is a super-2 number, since 2×10121201200169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10121201200469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060600600084 + 5060600600085.

It is an arithmetic number, because the mean of its divisors is an integer number (5060600600085).

Almost surely, 2^{10121201200169} is an apocalyptic number.

It is an amenable number.

10121201200169 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121201200169 is an equidigital number, since it uses as much as digits as its factorization.

10121201200169 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10121201200169 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, two hundred thousand, one hundred sixty-nine".