121331121333 has 8 divisors (see below), whose sum is σ = 161777220768. Its totient is φ = 80886218064.

The previous prime is 121331121319. The next prime is 121331121383. The reversal of 121331121333 is 333121133121.

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

It is not a de Polignac number, because 121331121333 - 2⁹ = 121331120821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331121313) 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, 27010 + ... + 493347.

It is an arithmetic number, because the mean of its divisors is an integer number (20222152596).

Almost surely, 2^121331121333 is an apocalyptic number.

It is an amenable number.

121331121333 is a deficient number, since it is larger than the sum of its proper divisors (40446099435).

121331121333 is an equidigital number, since it uses as much as digits as its factorization.

121331121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598083.

The product of its digits is 972, while the sum is 24.

Adding to 121331121333 its reverse (333121133121), we get a palindrome (454452254454).

The spelling of 121331121333 in words is "one hundred twenty-one billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty-three".