11201011 has 4 divisors (see below), whose sum is σ = 11859912. Its totient is φ = 10542112.

The previous prime is 11200999. The next prime is 11201017. The reversal of 11201011 is 11010211.

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

It is a cyclic number.

It is not a de Polignac number, because 11201011 - 2⁷ = 11200883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200985 and 11201003.

It is not an unprimeable number, because it can be changed into a prime (11201017) 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, 329425 + ... + 329458.

It is an arithmetic number, because the mean of its divisors is an integer number (2964978).

Almost surely, 2^11201011 is an apocalyptic number.

11201011 is a deficient number, since it is larger than the sum of its proper divisors (658901).

11201011 is an equidigital number, since it uses as much as digits as its factorization.

11201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658900.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 11201011 is about 3346.7911497433. The cubic root of 11201011 is about 223.7445203240.

Adding to 11201011 its reverse (11010211), we get a palindrome (22211222).

Multiplying 11201011 by its reverse (11010211), we get a palindrome (123325494523321).

The spelling of 11201011 in words is "eleven million, two hundred one thousand, eleven".