220103111 has 6 divisors (see below), whose sum is σ = 225342720. Its totient is φ = 214982628.

The previous prime is 220103089. The next prime is 220103137. The reversal of 220103111 is 111301022.

220103111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220103111 - 2²² = 215908807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220103092 and 220103101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220105111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57671 + ... + 61368.

It is an arithmetic number, because the mean of its divisors is an integer number (37557120).

Almost surely, 2^220103111 is an apocalyptic number.

220103111 is a deficient number, since it is larger than the sum of its proper divisors (5239609).

220103111 is an equidigital number, since it uses as much as digits as its factorization.

220103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119125 (or 119082 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 220103111 is about 14835.8724381143. The cubic root of 220103111 is about 603.7753713117.

Adding to 220103111 its reverse (111301022), we get a palindrome (331404133).

The spelling of 220103111 in words is "two hundred twenty million, one hundred three thousand, one hundred eleven".