121233321 has 32 divisors (see below), whose sum is σ = 198451200. Its totient is φ = 72530640.

The previous prime is 121233317. The next prime is 121233347. The reversal of 121233321 is 123332121.

It is not a de Polignac number, because 121233321 - 2² = 121233317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121233294 and 121233303.

It is not an unprimeable number, because it can be changed into a prime (121233121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20880 + ... + 26046.

It is an arithmetic number, because the mean of its divisors is an integer number (6201600).

Almost surely, 2^121233321 is an apocalyptic number.

121233321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121233321 is a deficient number, since it is larger than the sum of its proper divisors (77217879).

121233321 is a wasteful number, since it uses less digits than its factorization.

121233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 5260 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 121233321 is about 11010.6003923492. The cubic root of 121233321 is about 494.9264537196.

Adding to 121233321 its reverse (123332121), we get a palindrome (244565442).

The spelling of 121233321 in words is "one hundred twenty-one million, two hundred thirty-three thousand, three hundred twenty-one".