10202121101069 has 2 divisors, whose sum is σ = 10202121101070. Its totient is φ = 10202121101068.

The previous prime is 10202121100991. The next prime is 10202121101089. The reversal of 10202121101069 is 96010112120201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9555134135044 + 646986966025 = 3091138^2 + 804355^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202121101069 - 2⁸ = 10202121100813 is a prime.

It is a super-2 number, since 2×10202121101069² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202121101089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101060550534 + 5101060550535.

It is an arithmetic number, because the mean of its divisors is an integer number (5101060550535).

Almost surely, 2^{10202121101069} is an apocalyptic number.

It is an amenable number.

10202121101069 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202121101069 is an equidigital number, since it uses as much as digits as its factorization.

10202121101069 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 10202121101069 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred one thousand, sixty-nine".