11220112332011 has 24 divisors (see below), whose sum is σ = 12994004325120. Its totient is φ = 9661894711920.

The previous prime is 11220112331999. The next prime is 11220112332043. The reversal of 11220112332011 is 11023321102211.

It is a de Polignac number, because none of the positive numbers 2^k-11220112332011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220112332071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19284521 + ... + 19857818.

It is an arithmetic number, because the mean of its divisors is an integer number (541416846880).

Almost surely, 2^{11220112332011} is an apocalyptic number.

11220112332011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220112332011 is a deficient number, since it is larger than the sum of its proper divisors (1773891993109).

11220112332011 is a wasteful number, since it uses less digits than its factorization.

11220112332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39142487 (or 39142476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11220112332011 its reverse (11023321102211), we get a palindrome (22243433434222).

The spelling of 11220112332011 in words is "eleven trillion, two hundred twenty billion, one hundred twelve million, three hundred thirty-two thousand, eleven".