203323100121 has 12 divisors (see below), whose sum is σ = 293698113072. Its totient is φ = 135544491576.

The previous prime is 203323100117. The next prime is 203323100153. The reversal of 203323100121 is 121001323302.

203323100121 is a `hidden beast` number, since 2 + 0 + 332 + 310 + 0 + 1 + 21 = 666.

203323100121 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 203323100121 - 2² = 203323100117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203323100094 and 203323100103.

It is not an unprimeable number, because it can be changed into a prime (203323100821) 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, 34791 + ... + 638636.

It is an arithmetic number, because the mean of its divisors is an integer number (24474842756).

Almost surely, 2^203323100121 is an apocalyptic number.

It is an amenable number.

203323100121 is a deficient number, since it is larger than the sum of its proper divisors (90375012951).

203323100121 is a wasteful number, since it uses less digits than its factorization.

203323100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706980 (or 706977 counting only the distinct ones).

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

Adding to 203323100121 its reverse (121001323302), we get a palindrome (324324423423).

The spelling of 203323100121 in words is "two hundred three billion, three hundred twenty-three million, one hundred thousand, one hundred twenty-one".