111112012121201 has 8 divisors (see below), whose sum is σ = 136753245687744. Its totient is φ = 87912800799120.

The previous prime is 111112012121161. The next prime is 111112012121203. The reversal of 111112012121201 is 102121210211111.

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 111112012121201 - 2³⁴ = 111094832252017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111112012121201.

It is not an unprimeable number, because it can be changed into a prime (111112012121203) 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, 610505561015 + ... + 610505561196.

It is an arithmetic number, because the mean of its divisors is an integer number (17094155710968).

Almost surely, 2^{111112012121201} is an apocalyptic number.

It is an amenable number.

111112012121201 is a deficient number, since it is larger than the sum of its proper divisors (25641233566543).

111112012121201 is a wasteful number, since it uses less digits than its factorization.

111112012121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221011122231.

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

Adding to 111112012121201 its reverse (102121210211111), we get a palindrome (213233222332312).

The spelling of 111112012121201 in words is "one hundred eleven trillion, one hundred twelve billion, twelve million, one hundred twenty-one thousand, two hundred one".