111012002122201 has 4 divisors (see below), whose sum is σ = 111012094138804. Its totient is φ = 111011910105600.

The previous prime is 111012002122169. The next prime is 111012002122207. The reversal of 111012002122201 is 102221200210111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103422798090000 + 7589204032201 = 10169700^2 + 2754851^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012002122201 - 2⁵ = 111012002122169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012002122207) 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 3 ways as a sum of consecutive naturals, for example, 44174280 + ... + 46619641.

It is an arithmetic number, because the mean of its divisors is an integer number (27753023534701).

Almost surely, 2^{111012002122201} is an apocalyptic number.

It is an amenable number.

111012002122201 is a deficient number, since it is larger than the sum of its proper divisors (92016603).

111012002122201 is an equidigital number, since it uses as much as digits as its factorization.

111012002122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92016602.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111012002122201 its reverse (102221200210111), we get a palindrome (213233202332312).

The spelling of 111012002122201 in words is "one hundred eleven trillion, twelve billion, two million, one hundred twenty-two thousand, two hundred one".