120120020011 has 4 divisors (see below), whose sum is σ = 120159523224. Its totient is φ = 120080516800.

The previous prime is 120120019997. The next prime is 120120020021. The reversal of 120120020011 is 110020021021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120120020011 - 2⁷ = 120120019883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120120020011.

It is not an unprimeable number, because it can be changed into a prime (120120020021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19747045 + ... + 19753126.

It is an arithmetic number, because the mean of its divisors is an integer number (30039880806).

Almost surely, 2^120120020011 is an apocalyptic number.

120120020011 is a deficient number, since it is larger than the sum of its proper divisors (39503213).

120120020011 is an equidigital number, since it uses as much as digits as its factorization.

120120020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39503212.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120120020011 its reverse (110020021021), we get a palindrome (230140041032).

The spelling of 120120020011 in words is "one hundred twenty billion, one hundred twenty million, twenty thousand, eleven".