204021245324111 has 8 divisors (see below), whose sum is σ = 204721141579584. Its totient is φ = 203321373409440.

The previous prime is 204021245324081. The next prime is 204021245324119. The reversal of 204021245324111 is 111423542120402.

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

It is a de Polignac number, because none of the positive numbers 2^k-204021245324111 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 (204021245324119) 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, 10787381 + ... + 22900001.

It is an arithmetic number, because the mean of its divisors is an integer number (25590142697448).

Almost surely, 2^{204021245324111} is an apocalyptic number.

204021245324111 is a deficient number, since it is larger than the sum of its proper divisors (699896255473).

204021245324111 is a wasteful number, since it uses less digits than its factorization.

204021245324111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12170401.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 204021245324111 its reverse (111423542120402), we get a palindrome (315444787444513).

The spelling of 204021245324111 in words is "two hundred four trillion, twenty-one billion, two hundred forty-five million, three hundred twenty-four thousand, one hundred eleven".