220120002011 has 48 divisors (see below), whose sum is σ = 281319897600. Its totient is φ = 172058796000.

The previous prime is 220120001993. The next prime is 220120002023. The reversal of 220120002011 is 110200021022.

It is a happy number.

220120002011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220120002011 - 2¹⁰ = 220120000987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220120001983 and 220120002001.

It is not an unprimeable number, because it can be changed into a prime (220120002031) 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 47 ways as a sum of consecutive naturals, for example, 4788386 + ... + 4834136.

It is an arithmetic number, because the mean of its divisors is an integer number (5860831200).

Almost surely, 2^220120002011 is an apocalyptic number.

220120002011 is a deficient number, since it is larger than the sum of its proper divisors (61199895589).

220120002011 is an equidigital number, since it uses as much as digits as its factorization.

220120002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45881 (or 45854 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220120002011 its reverse (110200021022), we get a palindrome (330320023033).

The spelling of 220120002011 in words is "two hundred twenty billion, one hundred twenty million, two thousand, eleven".