200011210200121 has 4 divisors (see below), whose sum is σ = 200162848723200. Its totient is φ = 199859571677044.

The previous prime is 200011210200089. The next prime is 200011210200157. The reversal of 200011210200121 is 121002012110002.

200011210200121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200011210200121 - 2⁵ = 200011210200089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200011210207121) 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, 75819259561 + ... + 75819262198.

It is an arithmetic number, because the mean of its divisors is an integer number (50040712180800).

Almost surely, 2^{200011210200121} is an apocalyptic number.

It is an amenable number.

200011210200121 is a deficient number, since it is larger than the sum of its proper divisors (151638523079).

200011210200121 is a wasteful number, since it uses less digits than its factorization.

200011210200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151638523078.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200011210200121 its reverse (121002012110002), we get a palindrome (321013222310123).

The spelling of 200011210200121 in words is "two hundred trillion, eleven billion, two hundred ten million, two hundred thousand, one hundred twenty-one".