200251334121 has 16 divisors (see below), whose sum is σ = 273533967168. Its totient is φ = 130235270400.

The previous prime is 200251334117. The next prime is 200251334147. The reversal of 200251334121 is 121433152002.

It is not a de Polignac number, because 200251334121 - 2² = 200251334117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200251334091 and 200251334100.

It is not an unprimeable number, because it can be changed into a prime (200251330121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894026 + ... + 1996956.

It is an arithmetic number, because the mean of its divisors is an integer number (17095872948).

Almost surely, 2^200251334121 is an apocalyptic number.

It is an amenable number.

200251334121 is a deficient number, since it is larger than the sum of its proper divisors (73282633047).

200251334121 is a wasteful number, since it uses less digits than its factorization.

200251334121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118792.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 200251334121 its reverse (121433152002), we get a palindrome (321684486123).

The spelling of 200251334121 in words is "two hundred billion, two hundred fifty-one million, three hundred thirty-four thousand, one hundred twenty-one".