201112011200123 has 2 divisors, whose sum is σ = 201112011200124. Its totient is φ = 201112011200122.

The previous prime is 201112011200017. The next prime is 201112011200129. The reversal of 201112011200123 is 321002110211102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201112011200123 - 2³⁶ = 201043291723387 is a prime.

It is not a weakly prime, because it can be changed into another prime (201112011200129) 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, 100556005600061 + 100556005600062.

It is an arithmetic number, because the mean of its divisors is an integer number (100556005600062).

Almost surely, 2^{201112011200123} is an apocalyptic number.

201112011200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112011200123 is an equidigital number, since it uses as much as digits as its factorization.

201112011200123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201112011200123 its reverse (321002110211102), we get a palindrome (522114121411225).

The spelling of 201112011200123 in words is "two hundred one trillion, one hundred twelve billion, eleven million, two hundred thousand, one hundred twenty-three".