120221320121333 has 2 divisors, whose sum is σ = 120221320121334. Its totient is φ = 120221320121332.

The previous prime is 120221320121321. The next prime is 120221320121339. The reversal of 120221320121333 is 333121023122021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73979660906449 + 46241659214884 = 8601143^2 + 6800122^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221320121333 - 2¹⁰ = 120221320120309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120221320121339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110660060666 + 60110660060667.

It is an arithmetic number, because the mean of its divisors is an integer number (60110660060667).

Almost surely, 2^{120221320121333} is an apocalyptic number.

It is an amenable number.

120221320121333 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221320121333 is an equidigital number, since it uses as much as digits as its factorization.

120221320121333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 120221320121333 its reverse (333121023122021), we get a palindrome (453342343243354).

The spelling of 120221320121333 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twenty million, one hundred twenty-one thousand, three hundred thirty-three".