121331302133 has 4 divisors (see below), whose sum is σ = 127717160160. Its totient is φ = 114945444108.

The previous prime is 121331302013. The next prime is 121331302139. The reversal of 121331302133 is 331203133121.

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 121331302133 - 2¹² = 121331298037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121331302099 and 121331302108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331302139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192928985 + ... + 3192929022.

It is an arithmetic number, because the mean of its divisors is an integer number (31929290040).

Almost surely, 2^121331302133 is an apocalyptic number.

It is an amenable number.

121331302133 is a deficient number, since it is larger than the sum of its proper divisors (6385858027).

121331302133 is an equidigital number, since it uses as much as digits as its factorization.

121331302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385858026.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121331302133 its reverse (331203133121), we get a palindrome (452534435254).

The spelling of 121331302133 in words is "one hundred twenty-one billion, three hundred thirty-one million, three hundred two thousand, one hundred thirty-three".