220122201111 has 8 divisors (see below), whose sum is σ = 293498650224. Its totient is φ = 146746943040.

The previous prime is 220122201077. The next prime is 220122201113. The reversal of 220122201111 is 111102221022.

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

It is not a de Polignac number, because 220122201111 - 2⁷ = 220122200983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122201113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311665 + ... + 733061.

It is an arithmetic number, because the mean of its divisors is an integer number (36687331278).

Almost surely, 2^220122201111 is an apocalyptic number.

220122201111 is a deficient number, since it is larger than the sum of its proper divisors (73376449113).

220122201111 is a wasteful number, since it uses less digits than its factorization.

220122201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595521.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220122201111 its reverse (111102221022), we get a palindrome (331224422133).

The spelling of 220122201111 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred eleven".