11201222112011 has 8 divisors (see below), whose sum is σ = 11224251861840. Its totient is φ = 11178196376608.

The previous prime is 11201222111987. The next prime is 11201222112053. The reversal of 11201222112011 is 11021122210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201222112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201222114011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4614905 + ... + 6610581.

It is an arithmetic number, because the mean of its divisors is an integer number (1403031482730).

Almost surely, 2^{11201222112011} is an apocalyptic number.

11201222112011 is a deficient number, since it is larger than the sum of its proper divisors (23029749829).

11201222112011 is a wasteful number, since it uses less digits than its factorization.

11201222112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007213.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11201222112011 its reverse (11021122210211), we get a palindrome (22222344322222).

The spelling of 11201222112011 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, one hundred twelve thousand, eleven".