203882040121 has 4 divisors (see below), whose sum is σ = 212746476672. Its totient is φ = 195017603572.

The previous prime is 203882040101. The next prime is 203882040127. The reversal of 203882040121 is 121040288302.

It is a happy number.

203882040121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121040288302 = 2 ⋅60520144151.

It is a cyclic number.

It is not a de Polignac number, because 203882040121 - 2²⁵ = 203848485689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203882040127) 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 3 ways as a sum of consecutive naturals, for example, 4432218241 + ... + 4432218286.

It is an arithmetic number, because the mean of its divisors is an integer number (53186619168).

Almost surely, 2^203882040121 is an apocalyptic number.

It is an amenable number.

203882040121 is a deficient number, since it is larger than the sum of its proper divisors (8864436551).

203882040121 is an equidigital number, since it uses as much as digits as its factorization.

203882040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864436550.

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 203882040121 in words is "two hundred three billion, eight hundred eighty-two million, forty thousand, one hundred twenty-one".