120231020021 has 8 divisors (see below), whose sum is σ = 137409891840. Its totient is φ = 103052901168.

The previous prime is 120231020017. The next prime is 120231020033. The reversal of 120231020021 is 120020132021.

It is a happy number.

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

It is not a de Polignac number, because 120231020021 - 2² = 120231020017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120231019978 and 120231020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231020011) 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, 210140 + ... + 533498.

It is an arithmetic number, because the mean of its divisors is an integer number (17176236480).

Almost surely, 2^120231020021 is an apocalyptic number.

It is an amenable number.

120231020021 is a deficient number, since it is larger than the sum of its proper divisors (17178871819).

120231020021 is an equidigital number, since it uses as much as digits as its factorization.

120231020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376483.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120231020021 its reverse (120020132021), we get a palindrome (240251152042).

The spelling of 120231020021 in words is "one hundred twenty billion, two hundred thirty-one million, twenty thousand, twenty-one".