111422011 has 4 divisors (see below), whose sum is σ = 111908800. Its totient is φ = 110935224.

The previous prime is 111422009. The next prime is 111422021. The reversal of 111422011 is 110224111.

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 111422011 - 2¹ = 111422009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111421982 and 111422000.

It is not an unprimeable number, because it can be changed into a prime (111422021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243051 + ... + 243508.

It is an arithmetic number, because the mean of its divisors is an integer number (27977200).

Almost surely, 2^111422011 is an apocalyptic number.

111422011 is a deficient number, since it is larger than the sum of its proper divisors (486789).

111422011 is an equidigital number, since it uses as much as digits as its factorization.

111422011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486788.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 111422011 is about 10555.6625088149. The cubic root of 111422011 is about 481.1978344311.

Adding to 111422011 its reverse (110224111), we get a palindrome (221646122).

The spelling of 111422011 in words is "one hundred eleven million, four hundred twenty-two thousand, eleven".