200002211212121 has 8 divisors (see below), whose sum is σ = 212065348810080. Its totient is φ = 188092744157088.

The previous prime is 200002211212103. The next prime is 200002211212123. The reversal of 200002211212121 is 121212112200002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200002211212121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200002211212121.

It is not an unprimeable number, because it can be changed into a prime (200002211212123) 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, 38417633051 + ... + 38417638256.

It is an arithmetic number, because the mean of its divisors is an integer number (26508168601260).

Almost surely, 2^{200002211212121} is an apocalyptic number.

It is an amenable number.

200002211212121 is a deficient number, since it is larger than the sum of its proper divisors (12063137597959).

200002211212121 is a wasteful number, since it uses less digits than its factorization.

200002211212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76835271463.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200002211212121 its reverse (121212112200002), we get a palindrome (321214323412123).

The spelling of 200002211212121 in words is "two hundred trillion, two billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty-one".