111102111120121 has 8 divisors (see below), whose sum is σ = 125112054751488. Its totient is φ = 97743792774000.

The previous prime is 111102111120053. The next prime is 111102111120163. The reversal of 111102111120121 is 121021111201111.

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 111102111120121 - 2²¹ = 111102109022969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111102111120095 and 111102111120104.

It is not an unprimeable number, because it can be changed into a prime (111102111120821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162906320950 + ... + 162906321631.

It is an arithmetic number, because the mean of its divisors is an integer number (15639006843936).

Almost surely, 2^{111102111120121} is an apocalyptic number.

111102111120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111102111120121 is a deficient number, since it is larger than the sum of its proper divisors (14009943631367).

111102111120121 is a wasteful number, since it uses less digits than its factorization.

111102111120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325812642623.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111102111120121 its reverse (121021111201111), we get a palindrome (232123222321232).

The spelling of 111102111120121 in words is "one hundred eleven trillion, one hundred two billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-one".