11112120200101 has 4 divisors (see below), whose sum is σ = 11128533967692. Its totient is φ = 11095706432512.

The previous prime is 11112120200099. The next prime is 11112120200177. The reversal of 11112120200101 is 10100202121111.

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 9905176268001 + 1206943932100 = 3147249^2 + 1098610^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112120200101 - 2¹ = 11112120200099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112120200501) 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, 8206882780 + ... + 8206884133.

It is an arithmetic number, because the mean of its divisors is an integer number (2782133491923).

Almost surely, 2^{11112120200101} is an apocalyptic number.

It is an amenable number.

11112120200101 is a deficient number, since it is larger than the sum of its proper divisors (16413767591).

11112120200101 is an equidigital number, since it uses as much as digits as its factorization.

11112120200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413767590.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112120200101 its reverse (10100202121111), we get a palindrome (21212322321212).

The spelling of 11112120200101 in words is "eleven trillion, one hundred twelve billion, one hundred twenty million, two hundred thousand, one hundred one".