404331271121 has 2 divisors, whose sum is σ = 404331271122. Its totient is φ = 404331271120.

The previous prime is 404331271111. The next prime is 404331271147. The reversal of 404331271121 is 121172133404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256075469521 + 148255801600 = 506039^2 + 385040^2 .

It is a cyclic number.

It is not a de Polignac number, because 404331271121 - 2²² = 404327076817 is a prime.

It is not a weakly prime, because it can be changed into another prime (404331271111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202165635560 + 202165635561.

It is an arithmetic number, because the mean of its divisors is an integer number (202165635561).

Almost surely, 2^404331271121 is an apocalyptic number.

It is an amenable number.

404331271121 is a deficient number, since it is larger than the sum of its proper divisors (1).

404331271121 is an equidigital number, since it uses as much as digits as its factorization.

404331271121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 404331271121 in words is "four hundred four billion, three hundred thirty-one million, two hundred seventy-one thousand, one hundred twenty-one".