111220323103 has 4 divisors (see below), whose sum is σ = 111506236920. Its totient is φ = 110934409288.

The previous prime is 111220323101. The next prime is 111220323113. The reversal of 111220323103 is 301323022111.

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

It is a cyclic number.

It is not a de Polignac number, because 111220323103 - 2¹ = 111220323101 is a prime.

It is a super-2 number, since 2×111220323103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220323101) 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, 142956325 + ... + 142957102.

It is an arithmetic number, because the mean of its divisors is an integer number (27876559230).

Almost surely, 2^111220323103 is an apocalyptic number.

111220323103 is a deficient number, since it is larger than the sum of its proper divisors (285913817).

111220323103 is an equidigital number, since it uses as much as digits as its factorization.

111220323103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285913816.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111220323103 its reverse (301323022111), we get a palindrome (412543345214).

The spelling of 111220323103 in words is "one hundred eleven billion, two hundred twenty million, three hundred twenty-three thousand, one hundred three".