200003231121 has 16 divisors (see below), whose sum is σ = 273908649984. Its totient is φ = 129717448704.

The previous prime is 200003231083. The next prime is 200003231171. The reversal of 200003231121 is 121132300002.

200003231121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200003231121 - 2²³ = 199994842513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200003231121.

It is not an unprimeable number, because it can be changed into a prime (200003231171) 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 15 ways as a sum of consecutive naturals, for example, 956400 + ... + 1146606.

It is an arithmetic number, because the mean of its divisors is an integer number (17119290624).

Almost surely, 2^200003231121 is an apocalyptic number.

It is an amenable number.

200003231121 is a deficient number, since it is larger than the sum of its proper divisors (73905418863).

200003231121 is a wasteful number, since it uses less digits than its factorization.

200003231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199720.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200003231121 its reverse (121132300002), we get a palindrome (321135531123).

The spelling of 200003231121 in words is "two hundred billion, three million, two hundred thirty-one thousand, one hundred twenty-one".