200012110121 has 2 divisors, whose sum is σ = 200012110122. Its totient is φ = 200012110120.

The previous prime is 200012110073. The next prime is 200012110139. The reversal of 200012110121 is 121011210002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184384360000 + 15627750121 = 429400^2 + 125011^2 .

It is a cyclic number.

It is not a de Polignac number, because 200012110121 - 2¹⁰ = 200012109097 is a prime.

It is not a weakly prime, because it can be changed into another prime (200012110171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006055060 + 100006055061.

It is an arithmetic number, because the mean of its divisors is an integer number (100006055061).

Almost surely, 2^200012110121 is an apocalyptic number.

It is an amenable number.

200012110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012110121 is an equidigital number, since it uses as much as digits as its factorization.

200012110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200012110121 its reverse (121011210002), we get a palindrome (321023320123).

The spelling of 200012110121 in words is "two hundred billion, twelve million, one hundred ten thousand, one hundred twenty-one".