120033121013321 has 4 divisors (see below), whose sum is σ = 127093892837652. Its totient is φ = 112972349188992.

The previous prime is 120033121013303. The next prime is 120033121013327. The reversal of 120033121013321 is 123310121330021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111856746775225 + 8176374238096 = 10576235^2 + 2859436^2 .

It is a cyclic number.

It is not a de Polignac number, because 120033121013321 - 2²² = 120033116819017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120033121013327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3530385912140 + ... + 3530385912173.

It is an arithmetic number, because the mean of its divisors is an integer number (31773473209413).

Almost surely, 2^{120033121013321} is an apocalyptic number.

It is an amenable number.

120033121013321 is a deficient number, since it is larger than the sum of its proper divisors (7060771824331).

120033121013321 is an equidigital number, since it uses as much as digits as its factorization.

120033121013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060771824330.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 120033121013321 its reverse (123310121330021), we get a palindrome (243343242343342).

The spelling of 120033121013321 in words is "one hundred twenty trillion, thirty-three billion, one hundred twenty-one million, thirteen thousand, three hundred twenty-one".