120021331018 has 8 divisors (see below), whose sum is σ = 180049910112. Its totient is φ = 60004694316.

The previous prime is 120021330971. The next prime is 120021331019. The reversal of 120021331018 is 810133120021.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 120021331018.

It is not an unprimeable number, because it can be changed into a prime (120021331019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960430 + ... + 3000697.

It is an arithmetic number, because the mean of its divisors is an integer number (22506238764).

Almost surely, 2^120021331018 is an apocalyptic number.

120021331018 is a deficient number, since it is larger than the sum of its proper divisors (60028579094).

120021331018 is a wasteful number, since it uses less digits than its factorization.

120021331018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971196.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 120021331018 its reverse (810133120021), we get a palindrome (930154451039).

The spelling of 120021331018 in words is "one hundred twenty billion, twenty-one million, three hundred thirty-one thousand, eighteen".