111223442011 has 16 divisors (see below), whose sum is σ = 130438172160. Its totient is φ = 93752419680.

The previous prime is 111223441999. The next prime is 111223442107. The reversal of 111223442011 is 110244322111.

It is a cyclic number.

It is not a de Polignac number, because 111223442011 - 2¹⁵ = 111223409243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111223443011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5651556 + ... + 5671201.

It is an arithmetic number, because the mean of its divisors is an integer number (8152385760).

Almost surely, 2^111223442011 is an apocalyptic number.

111223442011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111223442011 is a deficient number, since it is larger than the sum of its proper divisors (19214730149).

111223442011 is a wasteful number, since it uses less digits than its factorization.

111223442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322834.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111223442011 its reverse (110244322111), we get a palindrome (221467764122).

The spelling of 111223442011 in words is "one hundred eleven billion, two hundred twenty-three million, four hundred forty-two thousand, eleven".