111233232112001 has 4 divisors (see below), whose sum is σ = 111588609850692. Its totient is φ = 110877854373312.

The previous prime is 111233232111961. The next prime is 111233232112007. The reversal of 111233232112001 is 100211232332111.

It is a happy number.

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 13466521944976 + 97766710167025 = 3669676^2 + 9887705^2 .

It is a cyclic number.

It is not a de Polignac number, because 111233232112001 - 2²² = 111233227917697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111233232112007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177688868876 + ... + 177688869501.

It is an arithmetic number, because the mean of its divisors is an integer number (27897152462673).

Almost surely, 2^{111233232112001} is an apocalyptic number.

It is an amenable number.

111233232112001 is a deficient number, since it is larger than the sum of its proper divisors (355377738691).

111233232112001 is an equidigital number, since it uses as much as digits as its factorization.

111233232112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355377738690.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111233232112001 its reverse (100211232332111), we get a palindrome (211444464444112).

The spelling of 111233232112001 in words is "one hundred eleven trillion, two hundred thirty-three billion, two hundred thirty-two million, one hundred twelve thousand, one".