404331241121 has 2 divisors, whose sum is σ = 404331241122. Its totient is φ = 404331241120.

The previous prime is 404331241079. The next prime is 404331241133. The reversal of 404331241121 is 121142133404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372510032896 + 31821208225 = 610336^2 + 178385^2 .

It is a cyclic number.

It is not a de Polignac number, because 404331241121 - 2⁶ = 404331241057 is a prime.

It is not a weakly prime, because it can be changed into another prime (404331271121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202165620560 + 202165620561.

It is an arithmetic number, because the mean of its divisors is an integer number (202165620561).

Almost surely, 2^404331241121 is an apocalyptic number.

It is an amenable number.

404331241121 is a deficient number, since it is larger than the sum of its proper divisors (1).

404331241121 is an equidigital number, since it uses as much as digits as its factorization.

404331241121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 404331241121 its reverse (121142133404), we get a palindrome (525473374525).

The spelling of 404331241121 in words is "four hundred four billion, three hundred thirty-one million, two hundred forty-one thousand, one hundred twenty-one".