200434433431121 has 4 divisors (see below), whose sum is σ = 205095699324912. Its totient is φ = 195773167537332.

The previous prime is 200434433431049. The next prime is 200434433431129. The reversal of 200434433431121 is 121134334434002.

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 200434433431121 - 2¹⁰ = 200434433430097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200434433431129) 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, 2330632946831 + ... + 2330632946916.

It is an arithmetic number, because the mean of its divisors is an integer number (51273924831228).

Almost surely, 2^{200434433431121} is an apocalyptic number.

It is an amenable number.

200434433431121 is a deficient number, since it is larger than the sum of its proper divisors (4661265893791).

200434433431121 is an equidigital number, since it uses as much as digits as its factorization.

200434433431121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661265893790.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 200434433431121 its reverse (121134334434002), we get a palindrome (321568767865123).

The spelling of 200434433431121 in words is "two hundred trillion, four hundred thirty-four billion, four hundred thirty-three million, four hundred thirty-one thousand, one hundred twenty-one".