111131200123301 has 4 divisors (see below), whose sum is σ = 112953023076204. Its totient is φ = 109309377170400.

The previous prime is 111131200123277. The next prime is 111131200123327. The reversal of 111131200123301 is 103321002131111.

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 21422077303201 + 89709122820100 = 4628399^2 + 9471490^2 .

It is a cyclic number.

It is not a de Polignac number, because 111131200123301 - 2¹⁰ = 111131200122277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131200123381) 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, 910911476360 + ... + 910911476481.

It is an arithmetic number, because the mean of its divisors is an integer number (28238255769051).

Almost surely, 2^{111131200123301} is an apocalyptic number.

It is an amenable number.

111131200123301 is a deficient number, since it is larger than the sum of its proper divisors (1821822952903).

111131200123301 is an equidigital number, since it uses as much as digits as its factorization.

111131200123301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821822952902.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 111131200123301 its reverse (103321002131111), we get a palindrome (214452202254412).

The spelling of 111131200123301 in words is "one hundred eleven trillion, one hundred thirty-one billion, two hundred million, one hundred twenty-three thousand, three hundred one".