203303121102 has 32 divisors (see below), whose sum is σ = 457227912960. Its totient is φ = 66951227160.

The previous prime is 203303121067. The next prime is 203303121103. The reversal of 203303121102 is 201121303302.

203303121102 is a `hidden beast` number, since 20 + 330 + 312 + 1 + 1 + 0 + 2 = 666.

203303121102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203303121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22675474 + ... + 22684437.

It is an arithmetic number, because the mean of its divisors is an integer number (14288372280).

Almost surely, 2^203303121102 is an apocalyptic number.

203303121102 is an abundant number, since it is smaller than the sum of its proper divisors (253924791858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203303121102 is a wasteful number, since it uses less digits than its factorization.

203303121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45360005 (or 45359999 counting only the distinct ones).

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

Adding to 203303121102 its reverse (201121303302), we get a palindrome (404424424404).

The spelling of 203303121102 in words is "two hundred three billion, three hundred three million, one hundred twenty-one thousand, one hundred two".