120309722321 has 2 divisors, whose sum is σ = 120309722322. Its totient is φ = 120309722320.

The previous prime is 120309722303. The next prime is 120309722359. The reversal of 120309722321 is 123227903021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100511825296 + 19797897025 = 317036^2 + 140705^2 .

It is an emirp because it is prime and its reverse (123227903021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120309722321 - 2⁶ = 120309722257 is a prime.

It is a super-2 number, since 2×120309722321² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120309728321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60154861160 + 60154861161.

It is an arithmetic number, because the mean of its divisors is an integer number (60154861161).

Almost surely, 2^120309722321 is an apocalyptic number.

It is an amenable number.

120309722321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120309722321 is an equidigital number, since it uses as much as digits as its factorization.

120309722321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 120309722321 in words is "one hundred twenty billion, three hundred nine million, seven hundred twenty-two thousand, three hundred twenty-one".