120331020220321 has 4 divisors (see below), whose sum is σ = 120331045054144. Its totient is φ = 120330995386500.

The previous prime is 120331020220283. The next prime is 120331020220337. The reversal of 120331020220321 is 123022020133021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120331020220321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120331020220292 and 120331020220301.

It is not an unprimeable number, because it can be changed into a prime (120331020220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518485 + ... + 15716386.

It is an arithmetic number, because the mean of its divisors is an integer number (30082761263536).

Almost surely, 2^{120331020220321} is an apocalyptic number.

It is an amenable number.

120331020220321 is a deficient number, since it is larger than the sum of its proper divisors (24833823).

120331020220321 is an equidigital number, since it uses as much as digits as its factorization.

120331020220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24833822.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 120331020220321 its reverse (123022020133021), we get a palindrome (243353040353342).

The spelling of 120331020220321 in words is "one hundred twenty trillion, three hundred thirty-one billion, twenty million, two hundred twenty thousand, three hundred twenty-one".