204122102401 has 4 divisors (see below), whose sum is σ = 233282402752. Its totient is φ = 174961802052.

The previous prime is 204122102369. The next prime is 204122102411. The reversal of 204122102401 is 104201221402.

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.

It is a cyclic number.

It is not a de Polignac number, because 204122102401 - 2⁵ = 204122102369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204122102411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14580150165 + ... + 14580150178.

It is an arithmetic number, because the mean of its divisors is an integer number (58320600688).

Almost surely, 2^204122102401 is an apocalyptic number.

It is an amenable number.

204122102401 is a deficient number, since it is larger than the sum of its proper divisors (29160300351).

204122102401 is an equidigital number, since it uses as much as digits as its factorization.

204122102401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29160300350.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 204122102401 its reverse (104201221402), we get a palindrome (308323323803).

The spelling of 204122102401 in words is "two hundred four billion, one hundred twenty-two million, one hundred two thousand, four hundred one".