220111112220113 has 4 divisors (see below), whose sum is σ = 220134838769460. Its totient is φ = 220087385670768.

The previous prime is 220111112220007. The next prime is 220111112220161. The reversal of 220111112220113 is 311022211111022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 190301390430529 + 29809721789584 = 13794977^2 + 5459828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220111112220113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220111112220613) 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, 11863260758 + ... + 11863279311.

It is an arithmetic number, because the mean of its divisors is an integer number (55033709692365).

Almost surely, 2^{220111112220113} is an apocalyptic number.

It is an amenable number.

220111112220113 is a deficient number, since it is larger than the sum of its proper divisors (23726549347).

220111112220113 is an equidigital number, since it uses as much as digits as its factorization.

220111112220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23726549346.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 220111112220113 its reverse (311022211111022), we get a palindrome (531133323331135).

The spelling of 220111112220113 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred thirteen".