10001202121069 has 2 divisors, whose sum is σ = 10001202121070. Its totient is φ = 10001202121068.

The previous prime is 10001202121049. The next prime is 10001202121213. The reversal of 10001202121069 is 96012120210001.

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., 5443775576100 + 4557426544969 = 2333190^2 + 2134813^2 .

It is an emirp because it is prime and its reverse (96012120210001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001202121069 - 2²¹ = 10001200023917 is a prime.

It is a super-2 number, since 2×10001202121069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001202121039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000601060534 + 5000601060535.

It is an arithmetic number, because the mean of its divisors is an integer number (5000601060535).

Almost surely, 2^{10001202121069} is an apocalyptic number.

It is an amenable number.

10001202121069 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001202121069 is an equidigital number, since it uses as much as digits as its factorization.

10001202121069 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 10001202121069 in words is "ten trillion, one billion, two hundred two million, one hundred twenty-one thousand, sixty-nine".