120020000221 has 32 divisors (see below), whose sum is σ = 140337792000. Its totient is φ = 101435431680.

The previous prime is 120020000209. The next prime is 120020000231. The reversal of 120020000221 is 122000020021.

It is not a de Polignac number, because 120020000221 - 2¹¹ = 120019998173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020000198 and 120020000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020000231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5161006 + ... + 5184208.

It is an arithmetic number, because the mean of its divisors is an integer number (4385556000).

Almost surely, 2^120020000221 is an apocalyptic number.

120020000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020000221 is a deficient number, since it is larger than the sum of its proper divisors (20317791779).

120020000221 is a wasteful number, since it uses less digits than its factorization.

120020000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23569.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120020000221 its reverse (122000020021), we get a palindrome (242020020242).

The spelling of 120020000221 in words is "one hundred twenty billion, twenty million, two hundred twenty-one", and thus it is an aban number.