111001220110121 has 8 divisors (see below), whose sum is σ = 121291733109504. Its totient is φ = 100743955942320.

The previous prime is 111001220110117. The next prime is 111001220110127. The reversal of 111001220110121 is 121011022100111.

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 111001220110121 - 2² = 111001220110117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001220110096 and 111001220110105.

It is not an unprimeable number, because it can be changed into a prime (111001220110127) 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, 8312200910 + ... + 8312214263.

It is an arithmetic number, because the mean of its divisors is an integer number (15161466638688).

Almost surely, 2^{111001220110121} is an apocalyptic number.

111001220110121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111001220110121 is a deficient number, since it is larger than the sum of its proper divisors (10290512999383).

111001220110121 is a wasteful number, since it uses less digits than its factorization.

111001220110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624415791.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111001220110121 its reverse (121011022100111), we get a palindrome (232012242210232).

The spelling of 111001220110121 in words is "one hundred eleven trillion, one billion, two hundred twenty million, one hundred ten thousand, one hundred twenty-one".