200202323132121 has 4 divisors (see below), whose sum is σ = 266936430842832. Its totient is φ = 133468215421412.

The previous prime is 200202323132117. The next prime is 200202323132137. The reversal of 200202323132121 is 121231323202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200202323132121 - 2² = 200202323132117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200202323132091 and 200202323132100.

It is not an unprimeable number, because it can be changed into a prime (200202323132191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33367053855351 + ... + 33367053855356.

It is an arithmetic number, because the mean of its divisors is an integer number (66734107710708).

Almost surely, 2^{200202323132121} is an apocalyptic number.

It is an amenable number.

200202323132121 is a deficient number, since it is larger than the sum of its proper divisors (66734107710711).

200202323132121 is an equidigital number, since it uses as much as digits as its factorization.

200202323132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66734107710710.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 200202323132121 its reverse (121231323202002), we get a palindrome (321433646334123).

The spelling of 200202323132121 in words is "two hundred trillion, two hundred two billion, three hundred twenty-three million, one hundred thirty-two thousand, one hundred twenty-one".