111224101121 has 16 divisors (see below), whose sum is σ = 133924915200. Its totient is φ = 90235312848.

The previous prime is 111224101103. The next prime is 111224101147. The reversal of 111224101121 is 121101422111.

It is not a de Polignac number, because 111224101121 - 2¹⁴ = 111224084737 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 111224101121.

It is not an unprimeable number, because it can be changed into a prime (111224121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232391 + ... + 525788.

It is an arithmetic number, because the mean of its divisors is an integer number (8370307200).

Almost surely, 2^111224101121 is an apocalyptic number.

It is an amenable number.

111224101121 is a deficient number, since it is larger than the sum of its proper divisors (22700814079).

111224101121 is a wasteful number, since it uses less digits than its factorization.

111224101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759308.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111224101121 its reverse (121101422111), we get a palindrome (232325523232).

The spelling of 111224101121 in words is "one hundred eleven billion, two hundred twenty-four million, one hundred one thousand, one hundred twenty-one".