120020331112321 has 4 divisors (see below), whose sum is σ = 122947656261444. Its totient is φ = 117093005963200.

The previous prime is 120020331112291. The next prime is 120020331112337. The reversal of 120020331112321 is 123211133020021.

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 33499080289921 + 86521250822400 = 5787839^2 + 9301680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020331112321 is a prime.

It is a super-2 number, since 2×120020331112321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020331112292 and 120020331112301.

It is not an unprimeable number, because it can be changed into a prime (120020331112391) 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, 1463662574500 + ... + 1463662574581.

It is an arithmetic number, because the mean of its divisors is an integer number (30736914065361).

Almost surely, 2^{120020331112321} is an apocalyptic number.

It is an amenable number.

120020331112321 is a deficient number, since it is larger than the sum of its proper divisors (2927325149123).

120020331112321 is an equidigital number, since it uses as much as digits as its factorization.

120020331112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927325149122.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 120020331112321 its reverse (123211133020021), we get a palindrome (243231464132342).

The spelling of 120020331112321 in words is "one hundred twenty trillion, twenty billion, three hundred thirty-one million, one hundred twelve thousand, three hundred twenty-one".