200200010002121 has 8 divisors (see below), whose sum is σ = 204594134025600. Its totient is φ = 195852384645840.

The previous prime is 200200010002117. The next prime is 200200010002177. The reversal of 200200010002121 is 121200010002002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200200010002121 - 2² = 200200010002117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200200010002021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11624658095 + ... + 11624675316.

It is an arithmetic number, because the mean of its divisors is an integer number (25574266753200).

Almost surely, 2^{200200010002121} is an apocalyptic number.

It is an amenable number.

200200010002121 is a deficient number, since it is larger than the sum of its proper divisors (4394124023479).

200200010002121 is a wasteful number, since it uses less digits than its factorization.

200200010002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23249333599.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200200010002121 its reverse (121200010002002), we get a palindrome (321400020004123).

The spelling of 200200010002121 in words is "two hundred trillion, two hundred billion, ten million, two thousand, one hundred twenty-one".