9934231121 has 4 divisors (see below), whose sum is σ = 10202723892. Its totient is φ = 9665738352.

The previous prime is 9934231091. The next prime is 9934231159. The reversal of 9934231121 is 1211324399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1211324399 = 647 ⋅1872217.

It can be written as a sum of positive squares in 2 ways, for example, as 5193220096 + 4741011025 = 72064^2 + 68855^2 .

It is a cyclic number.

It is not a de Polignac number, because 9934231121 - 2¹⁸ = 9933968977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9934233121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134246330 + ... + 134246403.

It is an arithmetic number, because the mean of its divisors is an integer number (2550680973).

Almost surely, 2^9934231121 is an apocalyptic number.

It is an amenable number.

9934231121 is a deficient number, since it is larger than the sum of its proper divisors (268492771).

9934231121 is a wasteful number, since it uses less digits than its factorization.

9934231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268492770.

The product of its digits is 11664, while the sum is 35.

The square root of 9934231121 is about 99670.6131264376. The cubic root of 9934231121 is about 2149.7011389887.

The spelling of 9934231121 in words is "nine billion, nine hundred thirty-four million, two hundred thirty-one thousand, one hundred twenty-one".