111212112020201 has 8 divisors (see below), whose sum is σ = 111522589776000. Its totient is φ = 110901638124640.

The previous prime is 111212112020143. The next prime is 111212112020227. The reversal of 111212112020201 is 102020211212111.

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-111212112020201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111212112020201.

It is not an unprimeable number, because it can be changed into a prime (111212112010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62562725 + ... + 64315773.

It is an arithmetic number, because the mean of its divisors is an integer number (13940323722000).

Almost surely, 2^{111212112020201} is an apocalyptic number.

It is an amenable number.

111212112020201 is a deficient number, since it is larger than the sum of its proper divisors (310477755799).

111212112020201 is a wasteful number, since it uses less digits than its factorization.

111212112020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930119.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111212112020201 its reverse (102020211212111), we get a palindrome (213232323232312).

The spelling of 111212112020201 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred twelve million, twenty thousand, two hundred one".