11101122201011 has 4 divisors (see below), whose sum is σ = 11101142002752. Its totient is φ = 11101102399272.

The previous prime is 11101122200989. The next prime is 11101122201097. The reversal of 11101122201011 is 11010222110111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101122201011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101122203011) 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, 9034691 + ... + 10189596.

It is an arithmetic number, because the mean of its divisors is an integer number (2775285500688).

Almost surely, 2^{11101122201011} is an apocalyptic number.

11101122201011 is a deficient number, since it is larger than the sum of its proper divisors (19801741).

11101122201011 is an equidigital number, since it uses as much as digits as its factorization.

11101122201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19801740.

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

Adding to 11101122201011 its reverse (11010222110111), we get a palindrome (22111344311122).

The spelling of 11101122201011 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, two hundred one thousand, eleven".