220122112121211 has 8 divisors (see below), whose sum is σ = 308943315257920. Its totient is φ = 139024491865992.

The previous prime is 220122112121209. The next prime is 220122112121221. The reversal of 220122112121211 is 112121211221022.

220122112121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220122112121211 - 2¹ = 220122112121209 is a prime.

It is a super-2 number, since 2×220122112121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220122112121221) 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, 1930895720305 + ... + 1930895720418.

It is an arithmetic number, because the mean of its divisors is an integer number (38617914407240).

Almost surely, 2^{220122112121211} is an apocalyptic number.

220122112121211 is a deficient number, since it is larger than the sum of its proper divisors (88821203136709).

220122112121211 is a wasteful number, since it uses less digits than its factorization.

220122112121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861791440745.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 220122112121211 its reverse (112121211221022), we get a palindrome (332243323342233).

The spelling of 220122112121211 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred eleven".