11201212100011 has 4 divisors (see below), whose sum is σ = 11562541522624. Its totient is φ = 10839882677400.

The previous prime is 11201212100003. The next prime is 11201212100027. The reversal of 11201212100011 is 11000121210211.

It is a happy number.

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 11201212100011 - 2³ = 11201212100003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201212099964 and 11201212100000.

It is not an unprimeable number, because it can be changed into a prime (11201212104011) 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, 180664711260 + ... + 180664711321.

It is an arithmetic number, because the mean of its divisors is an integer number (2890635380656).

Almost surely, 2^{11201212100011} is an apocalyptic number.

11201212100011 is a deficient number, since it is larger than the sum of its proper divisors (361329422613).

11201212100011 is an equidigital number, since it uses as much as digits as its factorization.

11201212100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361329422612.

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

Adding to 11201212100011 its reverse (11000121210211), we get a palindrome (22201333310222).

It can be divided in two parts, 11201 and 212100011, that added together give a palindrome (212111212).

The spelling of 11201212100011 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred thousand, eleven".