366868600121 has 2 divisors, whose sum is σ = 366868600122. Its totient is φ = 366868600120.

The previous prime is 366868600103. The next prime is 366868600141. The reversal of 366868600121 is 121006868663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277623610000 + 89244990121 = 526900^2 + 298739^2 .

It is an emirp because it is prime and its reverse (121006868663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 366868600121 - 2¹⁸ = 366868337977 is a prime.

It is a super-3 number, since 3×366868600121³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (366868600141) 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, 183434300060 + 183434300061.

It is an arithmetic number, because the mean of its divisors is an integer number (183434300061).

Almost surely, 2^366868600121 is an apocalyptic number.

It is an amenable number.

366868600121 is a deficient number, since it is larger than the sum of its proper divisors (1).

366868600121 is an equidigital number, since it uses as much as digits as its factorization.

366868600121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 366868600121 in words is "three hundred sixty-six billion, eight hundred sixty-eight million, six hundred thousand, one hundred twenty-one".