200344121402221 has 4 divisors (see below), whose sum is σ = 200347453478272. Its totient is φ = 200340789326172.

The previous prime is 200344121402197. The next prime is 200344121402239. The reversal of 200344121402221 is 122204121443002.

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 200344121402221 - 2²¹ = 200344119305069 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 200344121402221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200344121412221) 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, 1665947835 + ... + 1666068088.

It is an arithmetic number, because the mean of its divisors is an integer number (50086863369568).

Almost surely, 2^{200344121402221} is an apocalyptic number.

It is an amenable number.

200344121402221 is a deficient number, since it is larger than the sum of its proper divisors (3332076051).

200344121402221 is an equidigital number, since it uses as much as digits as its factorization.

200344121402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332076050.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 200344121402221 its reverse (122204121443002), we get a palindrome (322548242845223).

The spelling of 200344121402221 in words is "two hundred trillion, three hundred forty-four billion, one hundred twenty-one million, four hundred two thousand, two hundred twenty-one".