220112020111 has 4 divisors (see below), whose sum is σ = 227702089800. Its totient is φ = 212521950424.

The previous prime is 220112020039. The next prime is 220112020187. The reversal of 220112020111 is 111020211022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220112020111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220112020091 and 220112020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112020411) 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 3 ways as a sum of consecutive naturals, for example, 3795034801 + ... + 3795034858.

It is an arithmetic number, because the mean of its divisors is an integer number (56925522450).

Almost surely, 2^220112020111 is an apocalyptic number.

220112020111 is a deficient number, since it is larger than the sum of its proper divisors (7590069689).

220112020111 is an equidigital number, since it uses as much as digits as its factorization.

220112020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590069688.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220112020111 its reverse (111020211022), we get a palindrome (331132231133).

The spelling of 220112020111 in words is "two hundred twenty billion, one hundred twelve million, twenty thousand, one hundred eleven".