200011410331021 has 4 divisors (see below), whose sum is σ = 200258643224700. Its totient is φ = 199764177437344.

The previous prime is 200011410330929. The next prime is 200011410331037. The reversal of 200011410331021 is 120133014110002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 193277976978025 + 6733433352996 = 13902445^2 + 2594886^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011410331021 - 2⁹ = 200011410330509 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 200011410331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011410335021) 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, 123616445626 + ... + 123616447243.

It is an arithmetic number, because the mean of its divisors is an integer number (50064660806175).

Almost surely, 2^{200011410331021} is an apocalyptic number.

It is an amenable number.

200011410331021 is a deficient number, since it is larger than the sum of its proper divisors (247232893679).

200011410331021 is an equidigital number, since it uses as much as digits as its factorization.

200011410331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247232893678.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 200011410331021 its reverse (120133014110002), we get a palindrome (320144424441023).

The spelling of 200011410331021 in words is "two hundred trillion, eleven billion, four hundred ten million, three hundred thirty-one thousand, twenty-one".