111163223221 has 8 divisors (see below), whose sum is σ = 117114556320. Its totient is φ = 105221953872.

The previous prime is 111163223219. The next prime is 111163223233. The reversal of 111163223221 is 122322361111.

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

It is a cyclic number.

It is not a de Polignac number, because 111163223221 - 2¹ = 111163223219 is a prime.

It is a super-2 number, since 2×111163223221² (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 (111163226221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493250 + ... + 2537443.

It is an arithmetic number, because the mean of its divisors is an integer number (14639319540).

Almost surely, 2^111163223221 is an apocalyptic number.

It is an amenable number.

111163223221 is a deficient number, since it is larger than the sum of its proper divisors (5951333099).

111163223221 is a wasteful number, since it uses less digits than its factorization.

111163223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031875.

The product of its digits is 864, while the sum is 25.

Adding to 111163223221 its reverse (122322361111), we get a palindrome (233485584332).

The spelling of 111163223221 in words is "one hundred eleven billion, one hundred sixty-three million, two hundred twenty-three thousand, two hundred twenty-one".