121222233 has 24 divisors (see below), whose sum is σ = 197608320. Its totient is φ = 70932960.

The previous prime is 121222193. The next prime is 121222237. The reversal of 121222233 is 332222121.

It is not a de Polignac number, because 121222233 - 2¹⁰ = 121221209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121222237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18241 + ... + 23982.

It is an arithmetic number, because the mean of its divisors is an integer number (8233680).

Almost surely, 2^121222233 is an apocalyptic number.

It is an amenable number.

121222233 is a deficient number, since it is larger than the sum of its proper divisors (76386087).

121222233 is a wasteful number, since it uses less digits than its factorization.

121222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42269 (or 42266 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 121222233 is about 11010.0968660589. The cubic root of 121222233 is about 494.9113646011.

Adding to 121222233 its reverse (332222121), we get a palindrome (453444354).

The spelling of 121222233 in words is "one hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty-three".