220112121111 has 8 divisors (see below), whose sum is σ = 293593046400. Its totient is φ = 146686304952.

The previous prime is 220112121077. The next prime is 220112121121. The reversal of 220112121111 is 111121211022.

It is a happy number.

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

It is not a de Polignac number, because 220112121111 - 2¹¹ = 220112119063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13767961 + ... + 13783938.

It is an arithmetic number, because the mean of its divisors is an integer number (36699130800).

Almost surely, 2^220112121111 is an apocalyptic number.

220112121111 is a deficient number, since it is larger than the sum of its proper divisors (73480925289).

220112121111 is a wasteful number, since it uses less digits than its factorization.

220112121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27554565.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220112121111 its reverse (111121211022), we get a palindrome (331233332133).

The spelling of 220112121111 in words is "two hundred twenty billion, one hundred twelve million, one hundred twenty-one thousand, one hundred eleven".