121332223 has 2 divisors, whose sum is σ = 121332224. Its totient is φ = 121332222.

The previous prime is 121332217. The next prime is 121332227. The reversal of 121332223 is 322233121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121332223 - 2⁵ = 121332191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121332223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121332227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666111 + 60666112.

It is an arithmetic number, because the mean of its divisors is an integer number (60666112).

Almost surely, 2^121332223 is an apocalyptic number.

121332223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121332223 is an equidigital number, since it uses as much as digits as its factorization.

121332223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 121332223 is about 11015.0906941341. The cubic root of 121332223 is about 495.0610039430.

Adding to 121332223 its reverse (322233121), we get a palindrome (443565344).

The spelling of 121332223 in words is "one hundred twenty-one million, three hundred thirty-two thousand, two hundred twenty-three".