111122220311 has 8 divisors (see below), whose sum is σ = 111289399200. Its totient is φ = 110955164320.

The previous prime is 111122220277. The next prime is 111122220371. The reversal of 111122220311 is 113022221111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111122220311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111122220311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122220371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865966 + ... + 1924596.

It is an arithmetic number, because the mean of its divisors is an integer number (13911174900).

Almost surely, 2^111122220311 is an apocalyptic number.

111122220311 is a deficient number, since it is larger than the sum of its proper divisors (167178889).

111122220311 is a wasteful number, since it uses less digits than its factorization.

111122220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61449.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111122220311 its reverse (113022221111), we get a palindrome (224144441422).

The spelling of 111122220311 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, three hundred eleven".