200442421103 has 4 divisors (see below), whose sum is σ = 200444210928. Its totient is φ = 200440631280.

The previous prime is 200442421097. The next prime is 200442421139. The reversal of 200442421103 is 301124244002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200442421103 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 (200442421163) 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, 714851 + ... + 954932.

It is an arithmetic number, because the mean of its divisors is an integer number (50111052732).

Almost surely, 2^200442421103 is an apocalyptic number.

200442421103 is a deficient number, since it is larger than the sum of its proper divisors (1789825).

200442421103 is a wasteful number, since it uses less digits than its factorization.

200442421103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789824.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 200442421103 its reverse (301124244002), we get a palindrome (501566665105).

The spelling of 200442421103 in words is "two hundred billion, four hundred forty-two million, four hundred twenty-one thousand, one hundred three".