404011300121 has 24 divisors (see below), whose sum is σ = 481884302016. Its totient is φ = 335738744640.

The previous prime is 404011300093. The next prime is 404011300127. The reversal of 404011300121 is 121003110404.

It is a happy number.

It is not a de Polignac number, because 404011300121 - 2¹⁴ = 404011283737 is a prime.

It is a super-2 number, since 2×404011300121² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 404011300121.

It is not an unprimeable number, because it can be changed into a prime (404011300127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863510 + ... + 1246463.

It is an arithmetic number, because the mean of its divisors is an integer number (20078512584).

Almost surely, 2^404011300121 is an apocalyptic number.

It is an amenable number.

404011300121 is a deficient number, since it is larger than the sum of its proper divisors (77873001895).

404011300121 is a wasteful number, since it uses less digits than its factorization.

404011300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110113 (or 2110100 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 404011300121 its reverse (121003110404), we get a palindrome (525014410525).

The spelling of 404011300121 in words is "four hundred four billion, eleven million, three hundred thousand, one hundred twenty-one".