220101120211 has 4 divisors (see below), whose sum is σ = 251544137392. Its totient is φ = 188658103032.

The previous prime is 220101120163. The next prime is 220101120289. The reversal of 220101120211 is 112021101022.

220101120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112021101022 = 2 ⋅56010550511.

It is not a de Polignac number, because 220101120211 - 2²³ = 220092731603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220101120191 and 220101120200.

It is not an unprimeable number, because it can be changed into a prime (220101121211) 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 3 ways as a sum of consecutive naturals, for example, 15721508580 + ... + 15721508593.

It is an arithmetic number, because the mean of its divisors is an integer number (62886034348).

Almost surely, 2^220101120211 is an apocalyptic number.

220101120211 is a deficient number, since it is larger than the sum of its proper divisors (31443017181).

220101120211 is an equidigital number, since it uses as much as digits as its factorization.

220101120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31443017180.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220101120211 its reverse (112021101022), we get a palindrome (332122221233).

It can be divided in two parts, 2201011 and 20211, that added together give a palindrome (2221222).

The spelling of 220101120211 in words is "two hundred twenty billion, one hundred one million, one hundred twenty thousand, two hundred eleven".