11220011201211 has 8 divisors (see below), whose sum is σ = 14962401307920. Its totient is φ = 7478814280992.

The previous prime is 11220011201173. The next prime is 11220011201221. The reversal of 11220011201211 is 11210211002211.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-11220011201211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220011201221) 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, 298274680 + ... + 298312293.

It is an arithmetic number, because the mean of its divisors is an integer number (1870300163490).

Almost surely, 2^{11220011201211} is an apocalyptic number.

11220011201211 is a deficient number, since it is larger than the sum of its proper divisors (3742390106709).

11220011201211 is an equidigital number, since it uses as much as digits as its factorization.

11220011201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596593245.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11220011201211 its reverse (11210211002211), we get a palindrome (22430222203422).

The spelling of 11220011201211 in words is "eleven trillion, two hundred twenty billion, eleven million, two hundred one thousand, two hundred eleven".