121321333 has 12 divisors (see below), whose sum is σ = 147291232. Its totient is φ = 97871040.

The previous prime is 121321307. The next prime is 121321339. The reversal of 121321333 is 333123121.

It is not a de Polignac number, because 121321333 - 2¹⁷ = 121190261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121321333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121321339) 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, 27963 + ... + 32008.

Almost surely, 2^121321333 is an apocalyptic number.

It is an amenable number.

121321333 is a deficient number, since it is larger than the sum of its proper divisors (25969899).

121321333 is an equidigital number, since it uses as much as digits as its factorization.

121321333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60012 (or 59995 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 121321333 is about 11014.5963611927. The cubic root of 121321333 is about 495.0461923359.

Adding to 121321333 its reverse (333123121), we get a palindrome (454444454).

The spelling of 121321333 in words is "one hundred twenty-one million, three hundred twenty-one thousand, three hundred thirty-three".