111220223103 has 48 divisors (see below), whose sum is σ = 182249533440. Its totient is φ = 64740782400.

The previous prime is 111220223083. The next prime is 111220223111. The reversal of 111220223103 is 301322022111.

111220223103 is a `hidden beast` number, since 111 + 220 + 22 + 310 + 3 = 666.

It is not a de Polignac number, because 111220223103 - 2⁶ = 111220223039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220223143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 446950 + ... + 649772.

It is an arithmetic number, because the mean of its divisors is an integer number (3796865280).

Almost surely, 2^111220223103 is an apocalyptic number.

111220223103 is a deficient number, since it is larger than the sum of its proper divisors (71029310337).

111220223103 is a wasteful number, since it uses less digits than its factorization.

111220223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203060 (or 203057 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111220223103 its reverse (301322022111), we get a palindrome (412542245214).

The spelling of 111220223103 in words is "one hundred eleven billion, two hundred twenty million, two hundred twenty-three thousand, one hundred three".