200113003421 has 4 divisors (see below), whose sum is σ = 200114233500. Its totient is φ = 200111773344.

The previous prime is 200113003417. The next prime is 200113003429. The reversal of 200113003421 is 124300311002.

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 138566340025 + 61546663396 = 372245^2 + 248086^2 .

It is a cyclic number.

It is not a de Polignac number, because 200113003421 - 2² = 200113003417 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 200113003421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200113003429) 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, 325616 + ... + 711513.

It is an arithmetic number, because the mean of its divisors is an integer number (50028558375).

Almost surely, 2^200113003421 is an apocalyptic number.

It is an amenable number.

200113003421 is a deficient number, since it is larger than the sum of its proper divisors (1230079).

200113003421 is a wasteful number, since it uses less digits than its factorization.

200113003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230078.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 200113003421 its reverse (124300311002), we get a palindrome (324413314423).

The spelling of 200113003421 in words is "two hundred billion, one hundred thirteen million, three thousand, four hundred twenty-one".