204030103111 has 4 divisors (see below), whose sum is σ = 207879727752. Its totient is φ = 200180478472.

The previous prime is 204030103009. The next prime is 204030103133. The reversal of 204030103111 is 111301030402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204030103111 - 2⁹ = 204030102599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204030100111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924812241 + ... + 1924812346.

It is an arithmetic number, because the mean of its divisors is an integer number (51969931938).

Almost surely, 2^204030103111 is an apocalyptic number.

204030103111 is a deficient number, since it is larger than the sum of its proper divisors (3849624641).

204030103111 is an equidigital number, since it uses as much as digits as its factorization.

204030103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849624640.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 204030103111 its reverse (111301030402), we get a palindrome (315331133513).

The spelling of 204030103111 in words is "two hundred four billion, thirty million, one hundred three thousand, one hundred eleven".