404510410050121 has 2 divisors, whose sum is σ = 404510410050122. Its totient is φ = 404510410050120.

The previous prime is 404510410050119. The next prime is 404510410050151. The reversal of 404510410050121 is 121050014015404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383388931302400 + 21121478747721 = 19580320^2 + 4595811^2 .

It is a cyclic number.

It is not a de Polignac number, because 404510410050121 - 2¹ = 404510410050119 is a prime.

It is a super-2 number, since 2×404510410050121² (a number of 30 digits) contains 22 as substring.

Together with 404510410050119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 404510410050121.

It is not a weakly prime, because it can be changed into another prime (404510410050151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202255205025060 + 202255205025061.

It is an arithmetic number, because the mean of its divisors is an integer number (202255205025061).

Almost surely, 2^{404510410050121} is an apocalyptic number.

It is an amenable number.

404510410050121 is a deficient number, since it is larger than the sum of its proper divisors (1).

404510410050121 is an equidigital number, since it uses as much as digits as its factorization.

404510410050121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 404510410050121 its reverse (121050014015404), we get a palindrome (525560424065525).

The spelling of 404510410050121 in words is "four hundred four trillion, five hundred ten billion, four hundred ten million, fifty thousand, one hundred twenty-one".