11201001221011 has 16 divisors (see below), whose sum is σ = 12889012896000. Its totient is φ = 9534976257888.

The previous prime is 11201001220999. The next prime is 11201001221017. The reversal of 11201001221011 is 11012210010211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201001221011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201001220982 and 11201001221000.

It is not an unprimeable number, because it can be changed into a prime (11201001221017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6092376 + ... + 7714858.

It is an arithmetic number, because the mean of its divisors is an integer number (805563306000).

Almost surely, 2^{11201001221011} is an apocalyptic number.

11201001221011 is a deficient number, since it is larger than the sum of its proper divisors (1688011674989).

11201001221011 is a wasteful number, since it uses less digits than its factorization.

11201001221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629258.

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

Adding to 11201001221011 its reverse (11012210010211), we get a palindrome (22213211231222).

The spelling of 11201001221011 in words is "eleven trillion, two hundred one billion, one million, two hundred twenty-one thousand, eleven".