204230122224421 has 8 divisors (see below), whose sum is σ = 204437614569624. Its totient is φ = 204022635187200.

The previous prime is 204230122224413. The next prime is 204230122224437. The reversal of 204230122224421 is 124422221032402.

It can be written as a sum of positive squares in 4 ways, for example, as 2408747456196 + 201821374768225 = 1552014^2 + 14206385^2 .

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 204230122224421 - 2³ = 204230122224413 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 (204230122228421) 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, 78075501 + ... + 80648893.

It is an arithmetic number, because the mean of its divisors is an integer number (25554701821203).

Almost surely, 2^{204230122224421} is an apocalyptic number.

It is an amenable number.

204230122224421 is a deficient number, since it is larger than the sum of its proper divisors (207492345203).

204230122224421 is an equidigital number, since it uses as much as digits as its factorization.

204230122224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653991.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 204230122224421 its reverse (124422221032402), we get a palindrome (328652343256823).

The spelling of 204230122224421 in words is "two hundred four trillion, two hundred thirty billion, one hundred twenty-two million, two hundred twenty-four thousand, four hundred twenty-one".