13404135116121 has 8 divisors (see below), whose sum is σ = 17880735539040. Its totient is φ = 8931812385312.

The previous prime is 13404135116101. The next prime is 13404135116149. The reversal of 13404135116121 is 12161153140431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13404135116121 - 2²⁵ = 13404101561689 is a prime.

It is a super-2 number, since 2×13404135116121² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13404135116101) 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, 1069415715 + ... + 1069428248.

It is an arithmetic number, because the mean of its divisors is an integer number (2235091942380).

Almost surely, 2^{13404135116121} is an apocalyptic number.

It is an amenable number.

13404135116121 is a deficient number, since it is larger than the sum of its proper divisors (4476600422919).

13404135116121 is a wasteful number, since it uses less digits than its factorization.

13404135116121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138846055.

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 13404135116121 its reverse (12161153140431), we get a palindrome (25565288256552).

The spelling of 13404135116121 in words is "thirteen trillion, four hundred four billion, one hundred thirty-five million, one hundred sixteen thousand, one hundred twenty-one".