121330233 has 12 divisors (see below), whose sum is σ = 177871408. Its totient is φ = 79679160.

The previous prime is 121330217. The next prime is 121330277. The reversal of 121330233 is 332033121.

It is not a de Polignac number, because 121330233 - 2⁴ = 121330217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121330213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100003 + ... + 101208.

Almost surely, 2^121330233 is an apocalyptic number.

It is an amenable number.

121330233 is a deficient number, since it is larger than the sum of its proper divisors (56541175).

121330233 is a wasteful number, since it uses less digits than its factorization.

121330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201284 (or 201281 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 121330233 is about 11015.0003631412. Note that the first 3 decimals coincide. The cubic root of 121330233 is about 495.0582973886.

Adding to 121330233 its reverse (332033121), we get a palindrome (453363354).

The spelling of 121330233 in words is "one hundred twenty-one million, three hundred thirty thousand, two hundred thirty-three".