120011321 has 2 divisors, whose sum is σ = 120011322. Its totient is φ = 120011320.

The previous prime is 120011303. The next prime is 120011329. The reversal of 120011321 is 123110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71639296 + 48372025 = 8464^2 + 6955^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011321 - 2¹⁸ = 119749177 is a prime.

It is not a weakly prime, because it can be changed into another prime (120011329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005660 + 60005661.

It is an arithmetic number, because the mean of its divisors is an integer number (60005661).

Almost surely, 2^120011321 is an apocalyptic number.

It is an amenable number.

120011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011321 is an equidigital number, since it uses as much as digits as its factorization.

120011321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120011321 is about 10954.9678685061. The cubic root of 120011321 is about 493.2579254822.

Adding to 120011321 its reverse (123110021), we get a palindrome (243121342).

It can be divided in two parts, 1200 and 11321, that added together give a palindrome (12521).

The spelling of 120011321 in words is "one hundred twenty million, eleven thousand, three hundred twenty-one".