220122011311 has 4 divisors (see below), whose sum is σ = 220124308192. Its totient is φ = 220119714432.

The previous prime is 220122011299. The next prime is 220122011321. The reversal of 220122011311 is 113110221022.

220122011311 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: 113110221022 = 2 ⋅56555110511.

It is a cyclic number.

It is not a de Polignac number, because 220122011311 - 2⁵ = 220122011279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122011321) 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, 998130 + ... + 1198543.

It is an arithmetic number, because the mean of its divisors is an integer number (55031077048).

Almost surely, 2^220122011311 is an apocalyptic number.

220122011311 is a deficient number, since it is larger than the sum of its proper divisors (2296881).

220122011311 is a wasteful number, since it uses less digits than its factorization.

220122011311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296880.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 220122011311 its reverse (113110221022), we get a palindrome (333232232333).

The spelling of 220122011311 in words is "two hundred twenty billion, one hundred twenty-two million, eleven thousand, three hundred eleven".