200224121 has 4 divisors (see below), whose sum is σ = 200358144. Its totient is φ = 200090100.

The previous prime is 200224103. The next prime is 200224127. The reversal of 200224121 is 121422002.

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 200224121 - 2²² = 196029817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200224096 and 200224105.

It is not an unprimeable number, because it can be changed into a prime (200224127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64745 + ... + 67766.

It is an arithmetic number, because the mean of its divisors is an integer number (50089536).

Almost surely, 2^200224121 is an apocalyptic number.

It is an amenable number.

200224121 is a deficient number, since it is larger than the sum of its proper divisors (134023).

200224121 is a wasteful number, since it uses less digits than its factorization.

200224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134022.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 200224121 is about 14150.0572790360. The cubic root of 200224121 is about 585.0219106898.

Adding to 200224121 its reverse (121422002), we get a palindrome (321646123).

The spelling of 200224121 in words is "two hundred million, two hundred twenty-four thousand, one hundred twenty-one".