220112111011 has 16 divisors (see below), whose sum is σ = 237923030016. Its totient is φ = 202428200736.

The previous prime is 220112111003. The next prime is 220112111017. The reversal of 220112111011 is 110111211022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220112111011 - 2³ = 220112111003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220112110982 and 220112111000.

It is not an unprimeable number, because it can be changed into a prime (220112111017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3799086 + ... + 3856588.

It is an arithmetic number, because the mean of its divisors is an integer number (14870189376).

Almost surely, 2^220112111011 is an apocalyptic number.

220112111011 is a deficient number, since it is larger than the sum of its proper divisors (17810919005).

220112111011 is a wasteful number, since it uses less digits than its factorization.

220112111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58602.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 220112111011 its reverse (110111211022), we get a palindrome (330223322033).

The spelling of 220112111011 in words is "two hundred twenty billion, one hundred twelve million, one hundred eleven thousand, eleven".