11201012211 has 16 divisors (see below), whose sum is σ = 15329831328. Its totient is φ = 7272192000.

The previous prime is 11201012203. The next prime is 11201012231. The reversal of 11201012211 is 11221010211.

It is not a de Polignac number, because 11201012211 - 2³ = 11201012203 is a prime.

It is a super-2 number, since 2×11201012211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11201012231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284526 + ... + 321491.

It is an arithmetic number, because the mean of its divisors is an integer number (958114458).

Almost surely, 2^11201012211 is an apocalyptic number.

11201012211 is a deficient number, since it is larger than the sum of its proper divisors (4128819117).

11201012211 is a wasteful number, since it uses less digits than its factorization.

11201012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606182.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201012211 its reverse (11221010211), we get a palindrome (22422022422).

The spelling of 11201012211 in words is "eleven billion, two hundred one million, twelve thousand, two hundred eleven".