120020120002021 has 8 divisors (see below), whose sum is σ = 126337209969600. Its totient is φ = 113703054189120.

The previous prime is 120020120001941. The next prime is 120020120002039. The reversal of 120020120002021 is 120200021020021.

It is a happy number.

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 120020120002021 - 2³⁵ = 119985760263653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020120001992 and 120020120002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020120002061) 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, 4645176 + ... + 16174606.

It is an arithmetic number, because the mean of its divisors is an integer number (15792151246200).

Almost surely, 2^{120020120002021} is an apocalyptic number.

It is an amenable number.

120020120002021 is a deficient number, since it is larger than the sum of its proper divisors (6317089967579).

120020120002021 is a wasteful number, since it uses less digits than its factorization.

120020120002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12077339.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120020120002021 its reverse (120200021020021), we get a palindrome (240220141022042).

The spelling of 120020120002021 in words is "one hundred twenty trillion, twenty billion, one hundred twenty million, two thousand, twenty-one".