204121101134 has 16 divisors (see below), whose sum is σ = 308777290272. Its totient is φ = 101198502048.

The previous prime is 204121101071. The next prime is 204121101139. The reversal of 204121101134 is 431101121402.

204121101134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204121101139) 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 7 ways as a sum of consecutive naturals, for example, 661754 + ... + 919869.

It is an arithmetic number, because the mean of its divisors is an integer number (19298580642).

Almost surely, 2^204121101134 is an apocalyptic number.

204121101134 is a deficient number, since it is larger than the sum of its proper divisors (104656189138).

204121101134 is a wasteful number, since it uses less digits than its factorization.

204121101134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582171.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 204121101134 its reverse (431101121402), we get a palindrome (635222222536).

The spelling of 204121101134 in words is "two hundred four billion, one hundred twenty-one million, one hundred one thousand, one hundred thirty-four".