121311003233 has 4 divisors (see below), whose sum is σ = 138641146560. Its totient is φ = 103980859908.

The previous prime is 121311003211. The next prime is 121311003329. The reversal of 121311003233 is 332300113121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332300113121 = 469801 ⋅707321.

It is a cyclic number.

It is not a de Polignac number, because 121311003233 - 2⁸ = 121311002977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121311003433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8665071653 + ... + 8665071666.

It is an arithmetic number, because the mean of its divisors is an integer number (34660286640).

Almost surely, 2^121311003233 is an apocalyptic number.

It is an amenable number.

121311003233 is a deficient number, since it is larger than the sum of its proper divisors (17330143327).

121311003233 is an equidigital number, since it uses as much as digits as its factorization.

121311003233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17330143326.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121311003233 its reverse (332300113121), we get a palindrome (453611116354).

The spelling of 121311003233 in words is "one hundred twenty-one billion, three hundred eleven million, three thousand, two hundred thirty-three".