11201202011 has 4 divisors (see below), whose sum is σ = 11204184024. Its totient is φ = 11198220000.

The previous prime is 11201201981. The next prime is 11201202041. The reversal of 11201202011 is 11020210211.

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

It is an interprime number because it is at equal distance from previous prime (11201201981) and next prime (11201202041).

It is a cyclic number.

It is not a de Polignac number, because 11201202011 - 2¹⁰ = 11201200987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201201983 and 11201202001.

It is not an unprimeable number, because it can be changed into a prime (11201202041) 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 3 ways as a sum of consecutive naturals, for example, 1485365 + ... + 1492886.

It is an arithmetic number, because the mean of its divisors is an integer number (2801046006).

Almost surely, 2^11201202011 is an apocalyptic number.

11201202011 is a deficient number, since it is larger than the sum of its proper divisors (2982013).

11201202011 is an equidigital number, since it uses as much as digits as its factorization.

11201202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982012.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11201202011 its reverse (11020210211), we get a palindrome (22221412222).

The spelling of 11201202011 in words is "eleven billion, two hundred one million, two hundred two thousand, eleven".