121103330233 has 4 divisors (see below), whose sum is σ = 121288787748. Its totient is φ = 120917872720.

The previous prime is 121103330221. The next prime is 121103330377. The reversal of 121103330233 is 332033301121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332033301121 = 78569 ⋅4226009.

It can be written as a sum of positive squares in 2 ways, for example, as 69588857209 + 51514473024 = 263797^2 + 226968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121103330233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121103330533) 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, 92727778 + ... + 92729083.

It is an arithmetic number, because the mean of its divisors is an integer number (30322196937).

Almost surely, 2^121103330233 is an apocalyptic number.

It is an amenable number.

121103330233 is a deficient number, since it is larger than the sum of its proper divisors (185457515).

121103330233 is an equidigital number, since it uses as much as digits as its factorization.

121103330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185457514.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 121103330233 its reverse (332033301121), we get a palindrome (453136631354).

The spelling of 121103330233 in words is "one hundred twenty-one billion, one hundred three million, three hundred thirty thousand, two hundred thirty-three".