111001002211121 has 8 divisors (see below), whose sum is σ = 121139695236000. Its totient is φ = 100870257990240.

The previous prime is 111001002211097. The next prime is 111001002211123. The reversal of 111001002211121 is 121112200100111.

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-111001002211121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001002211096 and 111001002211105.

It is not an unprimeable number, because it can be changed into a prime (111001002211123) 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, 1987171796 + ... + 1987227653.

It is an arithmetic number, because the mean of its divisors is an integer number (15142461904500).

Almost surely, 2^{111001002211121} is an apocalyptic number.

111001002211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111001002211121 is a deficient number, since it is larger than the sum of its proper divisors (10138693024879).

111001002211121 is a wasteful number, since it uses less digits than its factorization.

111001002211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974401999.

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

Adding to 111001002211121 its reverse (121112200100111), we get a palindrome (232113202311232).

The spelling of 111001002211121 in words is "one hundred eleven trillion, one billion, two million, two hundred eleven thousand, one hundred twenty-one".