203101120404 has 144 divisors (see below), whose sum is σ = 642229311360. Its totient is φ = 52686961920.

The previous prime is 203101120363. The next prime is 203101120441. The reversal of 203101120404 is 404021101302.

203101120404 is digitally balanced in base 2, 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 an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 308334 + ... + 708005.

Almost surely, 2^203101120404 is an apocalyptic number.

It is an amenable number.

203101120404 is an abundant number, since it is smaller than the sum of its proper divisors (439128190956).

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

203101120404 is a wasteful number, since it uses less digits than its factorization.

203101120404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016430 (or 1016425 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 203101120404 its reverse (404021101302), we get a palindrome (607122221706).

The spelling of 203101120404 in words is "two hundred three billion, one hundred one million, one hundred twenty thousand, four hundred four".