111120101122121 has 8 divisors (see below), whose sum is σ = 136763201381184. Its totient is φ = 87919200887760.

The previous prime is 111120101122103. The next prime is 111120101122133. The reversal of 111120101122121 is 121221101021111.

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-111120101122121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111120101122121.

It is not an unprimeable number, because it can be changed into a prime (111120101122141) 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 7 ways as a sum of consecutive naturals, for example, 610550006075 + ... + 610550006256.

It is an arithmetic number, because the mean of its divisors is an integer number (17095400172648).

Almost surely, 2^{111120101122121} is an apocalyptic number.

It is an amenable number.

111120101122121 is a deficient number, since it is larger than the sum of its proper divisors (25643100259063).

111120101122121 is a wasteful number, since it uses less digits than its factorization.

111120101122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221100012351.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111120101122121 its reverse (121221101021111), we get a palindrome (232341202143232).

The spelling of 111120101122121 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty-one".