9121321312311 has 32 divisors (see below), whose sum is σ = 13286118182400. Its totient is φ = 5532718207104.

The previous prime is 9121321312289. The next prime is 9121321312343. The reversal of 9121321312311 is 1132131231219.

9121321312311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9121321312311 - 2⁹ = 9121321311799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121321312111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4661520 + ... + 6322373.

It is an arithmetic number, because the mean of its divisors is an integer number (415191193200).

Almost surely, 2^{9121321312311} is an apocalyptic number.

9121321312311 is a deficient number, since it is larger than the sum of its proper divisors (4164796870089).

9121321312311 is a wasteful number, since it uses less digits than its factorization.

9121321312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10984215.

The product of its digits is 1944, while the sum is 30.

The spelling of 9121321312311 in words is "nine trillion, one hundred twenty-one billion, three hundred twenty-one million, three hundred twelve thousand, three hundred eleven".