120321110121 has 8 divisors (see below), whose sum is σ = 161504846400. Its totient is φ = 79675723632.

The previous prime is 120321110111. The next prime is 120321110153. The reversal of 120321110121 is 121011123021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120321110121 - 2¹⁵ = 120321077353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120321110121.

It is not an unprimeable number, because it can be changed into a prime (120321110101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134586925 + ... + 134587818.

It is an arithmetic number, because the mean of its divisors is an integer number (20188105800).

Almost surely, 2^120321110121 is an apocalyptic number.

It is an amenable number.

120321110121 is a deficient number, since it is larger than the sum of its proper divisors (41183736279).

120321110121 is a wasteful number, since it uses less digits than its factorization.

120321110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269174895.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120321110121 its reverse (121011123021), we get a palindrome (241332233142).

The spelling of 120321110121 in words is "one hundred twenty billion, three hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".