200001343302421 has 4 divisors (see below), whose sum is σ = 200366976471712. Its totient is φ = 199635710133132.

The previous prime is 200001343302379. The next prime is 200001343302443. The reversal of 200001343302421 is 124203343100002.

200001343302421 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 200001343302421 - 2¹³ = 200001343294229 is a prime.

It is a super-4 number, since 4×200001343302421⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001343302491) 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, 182816583825 + ... + 182816584918.

It is an arithmetic number, because the mean of its divisors is an integer number (50091744117928).

Almost surely, 2^{200001343302421} is an apocalyptic number.

It is an amenable number.

200001343302421 is a deficient number, since it is larger than the sum of its proper divisors (365633169291).

200001343302421 is an equidigital number, since it uses as much as digits as its factorization.

200001343302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365633169290.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 200001343302421 its reverse (124203343100002), we get a palindrome (324204686402423).

The spelling of 200001343302421 in words is "two hundred trillion, one billion, three hundred forty-three million, three hundred two thousand, four hundred twenty-one".