111002221002122 has 4 divisors (see below), whose sum is σ = 166503331503186. Its totient is φ = 55501110501060.

The previous prime is 111002221002121. The next prime is 111002221002131. The reversal of 111002221002122 is 221200122200111.

111002221002122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 89851042882441 + 21151178119681 = 9478979^2 + 4599041^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111002221002122.

It is not an unprimeable number, because it can be changed into a prime (111002221002121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750555250529 + ... + 27750555250532.

Almost surely, 2^{111002221002122} is an apocalyptic number.

111002221002122 is a deficient number, since it is larger than the sum of its proper divisors (55501110501064).

111002221002122 is an equidigital number, since it uses as much as digits as its factorization.

111002221002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55501110501063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111002221002122 its reverse (221200122200111), we get a palindrome (332202343202233).

The spelling of 111002221002122 in words is "one hundred eleven trillion, two billion, two hundred twenty-one million, two thousand, one hundred twenty-two".