13233333231121 has 4 divisors (see below), whose sum is σ = 13275884142144. Its totient is φ = 13190782320100.

The previous prime is 13233333231077. The next prime is 13233333231143. The reversal of 13233333231121 is 12113233333231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13233333231121 - 2³³ = 13224743296529 is a prime.

It is a super-2 number, since 2×13233333231121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13233333271121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21275455045 + ... + 21275455666.

It is an arithmetic number, because the mean of its divisors is an integer number (3318971035536).

Almost surely, 2^{13233333231121} is an apocalyptic number.

It is an amenable number.

13233333231121 is a deficient number, since it is larger than the sum of its proper divisors (42550911023).

13233333231121 is an equidigital number, since it uses as much as digits as its factorization.

13233333231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42550911022.

The product of its digits is 17496, while the sum is 31.

Adding to 13233333231121 its reverse (12113233333231), we get a palindrome (25346566564352).

The spelling of 13233333231121 in words is "thirteen trillion, two hundred thirty-three billion, three hundred thirty-three million, two hundred thirty-one thousand, one hundred twenty-one".