121211220201233 has 2 divisors, whose sum is σ = 121211220201234. Its totient is φ = 121211220201232.

The previous prime is 121211220201191. The next prime is 121211220201271. The reversal of 121211220201233 is 332102022112121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120772912646929 + 438307554304 = 10989673^2 + 662048^2 .

It is a cyclic number.

It is not a de Polignac number, because 121211220201233 - 2¹⁴ = 121211220184849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121211220201199 and 121211220201208.

It is not a weakly prime, because it can be changed into another prime (121211220201293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605610100616 + 60605610100617.

It is an arithmetic number, because the mean of its divisors is an integer number (60605610100617).

Almost surely, 2^{121211220201233} is an apocalyptic number.

It is an amenable number.

121211220201233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121211220201233 is an equidigital number, since it uses as much as digits as its factorization.

121211220201233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121211220201233 its reverse (332102022112121), we get a palindrome (453313242313354).

The spelling of 121211220201233 in words is "one hundred twenty-one trillion, two hundred eleven billion, two hundred twenty million, two hundred one thousand, two hundred thirty-three".