220111122111113 has 4 divisors (see below), whose sum is σ = 220113684339780. Its totient is φ = 220108559882448.

The previous prime is 220111122111091. The next prime is 220111122111157. The reversal of 220111122111113 is 311111221111022.

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 57025273074064 + 163085849037049 = 7551508^2 + 12770507^2 .

It is a cyclic number.

It is not a de Polignac number, because 220111122111113 - 2¹⁴ = 220111122094729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220111122101113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280985470 + ... + 1281157287.

It is an arithmetic number, because the mean of its divisors is an integer number (55028421084945).

Almost surely, 2^{220111122111113} is an apocalyptic number.

It is an amenable number.

220111122111113 is a deficient number, since it is larger than the sum of its proper divisors (2562228667).

220111122111113 is an equidigital number, since it uses as much as digits as its factorization.

220111122111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562228666.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 220111122111113 its reverse (311111221111022), we get a palindrome (531222343222135).

The spelling of 220111122111113 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred thirteen".