202331300121 has 12 divisors (see below), whose sum is σ = 292555471572. Its totient is φ = 134749464576.

The previous prime is 202331299993. The next prime is 202331300159. The reversal of 202331300121 is 121003133202.

202331300121 is a `hidden beast` number, since 20 + 2 + 331 + 300 + 12 + 1 = 666.

202331300121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 166708890000 + 35622410121 = 408300^2 + 188739^2 .

It is not a de Polignac number, because 202331300121 - 2⁷ = 202331299993 is a prime.

It is a super-2 number, since 2×202331300121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202331300094 and 202331300103.

It is not an unprimeable number, because it can be changed into a prime (202331300191) 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 11 ways as a sum of consecutive naturals, for example, 11496456 + ... + 11514041.

It is an arithmetic number, because the mean of its divisors is an integer number (24379622631).

Almost surely, 2^202331300121 is an apocalyptic number.

It is an amenable number.

202331300121 is a deficient number, since it is larger than the sum of its proper divisors (90224171451).

202331300121 is a wasteful number, since it uses less digits than its factorization.

202331300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23011480 (or 23011477 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 202331300121 its reverse (121003133202), we get a palindrome (323334433323).

The spelling of 202331300121 in words is "two hundred two billion, three hundred thirty-one million, three hundred thousand, one hundred twenty-one".