11201202111 has 8 divisors (see below), whose sum is σ = 16292657664. Its totient is φ = 6788607320.

The previous prime is 11201202071. The next prime is 11201202113. The reversal of 11201202111 is 11120210211.

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

It is not a de Polignac number, because 11201202111 - 2¹¹ = 11201200063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201202113) 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, 169715151 + ... + 169715216.

It is an arithmetic number, because the mean of its divisors is an integer number (2036582208).

Almost surely, 2^11201202111 is an apocalyptic number.

11201202111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11201202111 is a deficient number, since it is larger than the sum of its proper divisors (5091455553).

11201202111 is a wasteful number, since it uses less digits than its factorization.

11201202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339430381.

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

Adding to 11201202111 its reverse (11120210211), we get a palindrome (22321412322).

It can be divided in two parts, 11201 and 202111, that added together give a palindrome (213312).

The spelling of 11201202111 in words is "eleven billion, two hundred one million, two hundred two thousand, one hundred eleven".