201100120110601 has 2 divisors, whose sum is σ = 201100120110602. Its totient is φ = 201100120110600.

The previous prime is 201100120110577. The next prime is 201100120110619. The reversal of 201100120110601 is 106011021001102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155861366958025 + 45238753152576 = 12484445^2 + 6725976^2 .

It is a cyclic number.

It is not a de Polignac number, because 201100120110601 - 2¹⁷ = 201100119979529 is a prime.

It is not a weakly prime, because it can be changed into another prime (201100120110641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550060055300 + 100550060055301.

It is an arithmetic number, because the mean of its divisors is an integer number (100550060055301).

Almost surely, 2^{201100120110601} is an apocalyptic number.

It is an amenable number.

201100120110601 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100120110601 is an equidigital number, since it uses as much as digits as its factorization.

201100120110601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 201100120110601 its reverse (106011021001102), we get a palindrome (307111141111703).

The spelling of 201100120110601 in words is "two hundred one trillion, one hundred billion, one hundred twenty million, one hundred ten thousand, six hundred one".