121220322233 has 2 divisors, whose sum is σ = 121220322234. Its totient is φ = 121220322232.

The previous prime is 121220322133. The next prime is 121220322257. The reversal of 121220322233 is 332223022121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71217995689 + 50002326544 = 266867^2 + 223612^2 .

It is a cyclic number.

It is not a de Polignac number, because 121220322233 - 2²⁰ = 121219273657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121220322199 and 121220322208.

It is not a weakly prime, because it can be changed into another prime (121220322133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610161116 + 60610161117.

It is an arithmetic number, because the mean of its divisors is an integer number (60610161117).

Almost surely, 2^121220322233 is an apocalyptic number.

It is an amenable number.

121220322233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220322233 is an equidigital number, since it uses as much as digits as its factorization.

121220322233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121220322233 its reverse (332223022121), we get a palindrome (453443344354).

The spelling of 121220322233 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred twenty-two thousand, two hundred thirty-three".