11201011122001 has 4 divisors (see below), whose sum is σ = 11259047449252. Its totient is φ = 11142974794752.

The previous prime is 11201011121981. The next prime is 11201011122047. The reversal of 11201011122001 is 10022111010211.

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 7307587595025 + 3893423526976 = 2703255^2 + 1973176^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201011122001 - 2¹⁷ = 11201010990929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201011122101) 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, 29018163336 + ... + 29018163721.

It is an arithmetic number, because the mean of its divisors is an integer number (2814761862313).

Almost surely, 2^{11201011122001} is an apocalyptic number.

It is an amenable number.

11201011122001 is a deficient number, since it is larger than the sum of its proper divisors (58036327251).

11201011122001 is an equidigital number, since it uses as much as digits as its factorization.

11201011122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58036327250.

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

Adding to 11201011122001 its reverse (10022111010211), we get a palindrome (21223122132212).

The spelling of 11201011122001 in words is "eleven trillion, two hundred one billion, eleven million, one hundred twenty-two thousand, one".