121103330213 has 4 divisors (see below), whose sum is σ = 122636283840. Its totient is φ = 119570376588.

The previous prime is 121103330207. The next prime is 121103330221. The reversal of 121103330213 is 312033301121.

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 121103330213 - 2¹⁴ = 121103313829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103330713) 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, 766476695 + ... + 766476852.

It is an arithmetic number, because the mean of its divisors is an integer number (30659070960).

Almost surely, 2^121103330213 is an apocalyptic number.

It is an amenable number.

121103330213 is a deficient number, since it is larger than the sum of its proper divisors (1532953627).

121103330213 is an equidigital number, since it uses as much as digits as its factorization.

121103330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532953626.

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

Adding to 121103330213 its reverse (312033301121), we get a palindrome (433136631334).

The spelling of 121103330213 in words is "one hundred twenty-one billion, one hundred three million, three hundred thirty thousand, two hundred thirteen".