111221323107 has 8 divisors (see below), whose sum is σ = 157018338576. Its totient is φ = 69785928192.

The previous prime is 111221323097. The next prime is 111221323151. The reversal of 111221323107 is 701323122111.

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

It is not a de Polignac number, because 111221323107 - 2¹⁴ = 111221306723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111221323907) 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, 1090405078 + ... + 1090405179.

It is an arithmetic number, because the mean of its divisors is an integer number (19627292322).

Almost surely, 2^111221323107 is an apocalyptic number.

111221323107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111221323107 is a deficient number, since it is larger than the sum of its proper divisors (45797015469).

111221323107 is a wasteful number, since it uses less digits than its factorization.

111221323107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180810277.

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 111221323107 its reverse (701323122111), we get a palindrome (812544445218).

The spelling of 111221323107 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred seven".