120011221321 has 16 divisors (see below), whose sum is σ = 121991400000. Its totient is φ = 118046750976.

The previous prime is 120011221303. The next prime is 120011221339. The reversal of 120011221321 is 123122110021.

It is an interprime number because it is at equal distance from previous prime (120011221303) and next prime (120011221339).

It is a cyclic number.

It is not a de Polignac number, because 120011221321 - 2⁷ = 120011221193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011221295 and 120011221304.

It is not an unprimeable number, because it can be changed into a prime (120011222321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13791630 + ... + 13800328.

It is an arithmetic number, because the mean of its divisors is an integer number (7624462500).

Almost surely, 2^120011221321 is an apocalyptic number.

It is an amenable number.

120011221321 is a deficient number, since it is larger than the sum of its proper divisors (1980178679).

120011221321 is an equidigital number, since it uses as much as digits as its factorization.

120011221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120011221321 its reverse (123122110021), we get a palindrome (243133331342).

The spelling of 120011221321 in words is "one hundred twenty billion, eleven million, two hundred twenty-one thousand, three hundred twenty-one".