100000121200069 has 2 divisors, whose sum is σ = 100000121200070. Its totient is φ = 100000121200068.

The previous prime is 100000121200061. The next prime is 100000121200127. The reversal of 100000121200069 is 960002121000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58056856445025 + 41943264755044 = 7619505^2 + 6476362^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000121200069 - 2³ = 100000121200061 is a prime.

It is a super-2 number, since 2×100000121200069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000121200061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000060600034 + 50000060600035.

It is an arithmetic number, because the mean of its divisors is an integer number (50000060600035).

Almost surely, 2^{100000121200069} is an apocalyptic number.

It is an amenable number.

100000121200069 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000121200069 is an equidigital number, since it uses as much as digits as its factorization.

100000121200069 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 22.

The spelling of 100000121200069 in words is "one hundred trillion, one hundred twenty-one million, two hundred thousand, sixty-nine".