200411421501 has 4 divisors (see below), whose sum is σ = 267215228672. Its totient is φ = 133607614332.

The previous prime is 200411421481. The next prime is 200411421521. The reversal of 200411421501 is 105124114002.

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 an interprime number because it is at equal distance from previous prime (200411421481) and next prime (200411421521).

It is a de Polignac number, because none of the positive numbers 2^k-200411421501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200411421521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33401903581 + ... + 33401903586.

It is an arithmetic number, because the mean of its divisors is an integer number (66803807168).

Almost surely, 2^200411421501 is an apocalyptic number.

It is an amenable number.

200411421501 is a deficient number, since it is larger than the sum of its proper divisors (66803807171).

200411421501 is an equidigital number, since it uses as much as digits as its factorization.

200411421501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66803807170.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 200411421501 its reverse (105124114002), we get a palindrome (305535535503).

The spelling of 200411421501 in words is "two hundred billion, four hundred eleven million, four hundred twenty-one thousand, five hundred one".