120321321121 has 4 divisors (see below), whose sum is σ = 120393674752. Its totient is φ = 120248967492.

The previous prime is 120321321103. The next prime is 120321321143. The reversal of 120321321121 is 121123123021.

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 not a de Polignac number, because 120321321121 - 2⁷ = 120321320993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321351121) 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, 36174321 + ... + 36177646.

It is an arithmetic number, because the mean of its divisors is an integer number (30098418688).

Almost surely, 2^120321321121 is an apocalyptic number.

It is an amenable number.

120321321121 is a deficient number, since it is larger than the sum of its proper divisors (72353631).

120321321121 is an equidigital number, since it uses as much as digits as its factorization.

120321321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72353630.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120321321121 its reverse (121123123021), we get a palindrome (241444444142).

The spelling of 120321321121 in words is "one hundred twenty billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-one".