200200202101121 has 2 divisors, whose sum is σ = 200200202101122. Its totient is φ = 200200202101120.

The previous prime is 200200202101099. The next prime is 200200202101169. The reversal of 200200202101121 is 121101202002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199111854490000 + 1088347611121 = 14110700^2 + 1043239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200200202101121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200200202101096 and 200200202101105.

It is not a weakly prime, because it can be changed into another prime (200200202101171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100101050560 + 100100101050561.

It is an arithmetic number, because the mean of its divisors is an integer number (100100101050561).

Almost surely, 2^{200200202101121} is an apocalyptic number.

It is an amenable number.

200200202101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200200202101121 is an equidigital number, since it uses as much as digits as its factorization.

200200202101121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200200202101121 its reverse (121101202002002), we get a palindrome (321301404103123).

The spelling of 200200202101121 in words is "two hundred trillion, two hundred billion, two hundred two million, one hundred one thousand, one hundred twenty-one".