111012311203201 has 4 divisors (see below), whose sum is σ = 111366983124292. Its totient is φ = 110657639282112.

The previous prime is 111012311203181. The next prime is 111012311203217. The reversal of 111012311203201 is 102302113210111.

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 3054808335601 + 107957502867600 = 1747801^2 + 10390260^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012311203201 - 2¹⁷ = 111012311072129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012311203301) 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, 177335960076 + ... + 177335960701.

It is an arithmetic number, because the mean of its divisors is an integer number (27841745781073).

Almost surely, 2^{111012311203201} is an apocalyptic number.

It is an amenable number.

111012311203201 is a deficient number, since it is larger than the sum of its proper divisors (354671921091).

111012311203201 is an equidigital number, since it uses as much as digits as its factorization.

111012311203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354671921090.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111012311203201 its reverse (102302113210111), we get a palindrome (213314424413312).

The spelling of 111012311203201 in words is "one hundred eleven trillion, twelve billion, three hundred eleven million, two hundred three thousand, two hundred one".