120344121021 has 8 divisors (see below), whose sum is σ = 160463710944. Its totient is φ = 80226972560.

The previous prime is 120344120921. The next prime is 120344121041. The reversal of 120344121021 is 120121443021.

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

It is a cyclic number.

It is not a de Polignac number, because 120344121021 - 2⁹ = 120344120509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120344121041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492075 + ... + 694856.

It is an arithmetic number, because the mean of its divisors is an integer number (20057963868).

Almost surely, 2^120344121021 is an apocalyptic number.

It is an amenable number.

120344121021 is a deficient number, since it is larger than the sum of its proper divisors (40119589923).

120344121021 is a wasteful number, since it uses less digits than its factorization.

120344121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220731.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 120344121021 its reverse (120121443021), we get a palindrome (240465564042).

The spelling of 120344121021 in words is "one hundred twenty billion, three hundred forty-four million, one hundred twenty-one thousand, twenty-one".