111100012021133 has 4 divisors (see below), whose sum is σ = 111100039021020. Its totient is φ = 111099985021248.

The previous prime is 111100012021067. The next prime is 111100012021153. The reversal of 111100012021133 is 331120210001111.

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 58040049033604 + 53059962987529 = 7618402^2 + 7284227^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100012021133 - 2²⁰ = 111100010972557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100012021153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5902460 + ... + 16032437.

It is an arithmetic number, because the mean of its divisors is an integer number (27775009755255).

Almost surely, 2^{111100012021133} is an apocalyptic number.

It is an amenable number.

111100012021133 is a deficient number, since it is larger than the sum of its proper divisors (26999887).

111100012021133 is an equidigital number, since it uses as much as digits as its factorization.

111100012021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26999886.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111100012021133 its reverse (331120210001111), we get a palindrome (442220222022244).

The spelling of 111100012021133 in words is "one hundred eleven trillion, one hundred billion, twelve million, twenty-one thousand, one hundred thirty-three".