200135221 has 8 divisors (see below), whose sum is σ = 235124064. Its totient is φ = 167945520.

The previous prime is 200135209. The next prime is 200135269. The reversal of 200135221 is 122531002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200135221 - 2⁷ = 200135093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200135195 and 200135204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200135291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699631 + ... + 699916.

It is an arithmetic number, because the mean of its divisors is an integer number (29390508).

Almost surely, 2^200135221 is an apocalyptic number.

It is an amenable number.

200135221 is a deficient number, since it is larger than the sum of its proper divisors (34988843).

200135221 is a wasteful number, since it uses less digits than its factorization.

200135221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399571.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 200135221 is about 14146.9156002289. The cubic root of 200135221 is about 584.9353141519.

Adding to 200135221 its reverse (122531002), we get a palindrome (322666223).

The spelling of 200135221 in words is "two hundred million, one hundred thirty-five thousand, two hundred twenty-one".