11101102201121 has 4 divisors (see below), whose sum is σ = 11117499693972. Its totient is φ = 11084704708272.

The previous prime is 11101102201117. The next prime is 11101102201129. The reversal of 11101102201121 is 12110220110111.

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 10993793544721 + 107308656400 = 3315689^2 + 327580^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101102201121 - 2² = 11101102201117 is a prime.

It is a super-2 number, since 2×11101102201121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101102201096 and 11101102201105.

It is not an unprimeable number, because it can be changed into a prime (11101102201129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8198745410 + ... + 8198746763.

It is an arithmetic number, because the mean of its divisors is an integer number (2779374923493).

Almost surely, 2^{11101102201121} is an apocalyptic number.

It is an amenable number.

11101102201121 is a deficient number, since it is larger than the sum of its proper divisors (16397492851).

11101102201121 is an equidigital number, since it uses as much as digits as its factorization.

11101102201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16397492850.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11101102201121 its reverse (12110220110111), we get a palindrome (23211322311232).

The spelling of 11101102201121 in words is "eleven trillion, one hundred one billion, one hundred two million, two hundred one thousand, one hundred twenty-one".