204121040331011 has 8 divisors (see below), whose sum is σ = 205179072772464. Its totient is φ = 203063012121600.

The previous prime is 204121040330881. The next prime is 204121040331023. The reversal of 204121040331011 is 110133040121402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204121040331011 - 2⁴⁶ = 133752296153347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204121040231011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155638580 + ... + 156944606.

It is an arithmetic number, because the mean of its divisors is an integer number (25647384096558).

Almost surely, 2^{204121040331011} is an apocalyptic number.

204121040331011 is a deficient number, since it is larger than the sum of its proper divisors (1058032441453).

204121040331011 is a wasteful number, since it uses less digits than its factorization.

204121040331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116021.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 204121040331011 its reverse (110133040121402), we get a palindrome (314254080452413).

The spelling of 204121040331011 in words is "two hundred four trillion, one hundred twenty-one billion, forty million, three hundred thirty-one thousand, eleven".