11201112122011 has 6 divisors (see below), whose sum is σ = 13029865121580. Its totient is φ = 9600953247396.

The previous prime is 11201112121939. The next prime is 11201112122021. The reversal of 11201112122011 is 11022121110211.

It is not a de Polignac number, because 11201112122011 - 2²³ = 11201103733403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201112122021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114297062421 + ... + 114297062518.

It is an arithmetic number, because the mean of its divisors is an integer number (2171644186930).

Almost surely, 2^{11201112122011} is an apocalyptic number.

11201112122011 is a deficient number, since it is larger than the sum of its proper divisors (1828752999569).

11201112122011 is an equidigital number, since it uses as much as digits as its factorization.

11201112122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228594124953 (or 228594124946 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11201112122011 its reverse (11022121110211), we get a palindrome (22223233232222).

The spelling of 11201112122011 in words is "eleven trillion, two hundred one billion, one hundred twelve million, one hundred twenty-two thousand, eleven".