121220310207233 has 2 divisors, whose sum is σ = 121220310207234. Its totient is φ = 121220310207232.

The previous prime is 121220310207223. The next prime is 121220310207257. The reversal of 121220310207233 is 332702013022121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113477631097744 + 7742679109489 = 10652588^2 + 2782567^2 .

It is a cyclic number.

It is not a de Polignac number, because 121220310207233 - 2¹⁰ = 121220310206209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121220310207196 and 121220310207205.

It is not a weakly prime, because it can be changed into another prime (121220310207223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610155103616 + 60610155103617.

It is an arithmetic number, because the mean of its divisors is an integer number (60610155103617).

Almost surely, 2^{121220310207233} is an apocalyptic number.

It is an amenable number.

121220310207233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220310207233 is an equidigital number, since it uses as much as digits as its factorization.

121220310207233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 121220310207233 its reverse (332702013022121), we get a palindrome (453922323229354).

The spelling of 121220310207233 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred ten million, two hundred seven thousand, two hundred thirty-three".