11121102200101 has 4 divisors (see below), whose sum is σ = 11121122401452. Its totient is φ = 11121081998752.

The previous prime is 11121102199939. The next prime is 11121102200107. The reversal of 11121102200101 is 10100220112111.

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 9788575968900 + 1332526231201 = 3128670^2 + 1154351^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121102200101 - 2¹⁹ = 11121101675813 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 (11121102200107) 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, 9251086 + ... + 10383871.

It is an arithmetic number, because the mean of its divisors is an integer number (2780280600363).

Almost surely, 2^{11121102200101} is an apocalyptic number.

It is an amenable number.

11121102200101 is a deficient number, since it is larger than the sum of its proper divisors (20201351).

11121102200101 is an equidigital number, since it uses as much as digits as its factorization.

11121102200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201350.

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

Adding to 11121102200101 its reverse (10100220112111), we get a palindrome (21221322312212).

The spelling of 11121102200101 in words is "eleven trillion, one hundred twenty-one billion, one hundred two million, two hundred thousand, one hundred one".