11220211031303 has 4 divisors (see below), whose sum is σ = 11228174276880. Its totient is φ = 11212247785728.

The previous prime is 11220211031291. The next prime is 11220211031327. The reversal of 11220211031303 is 30313011202211.

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 11220211031303 - 2⁴ = 11220211031287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220211031333) 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, 3981620675 + ... + 3981623492.

It is an arithmetic number, because the mean of its divisors is an integer number (2807043569220).

Almost surely, 2^{11220211031303} is an apocalyptic number.

11220211031303 is a deficient number, since it is larger than the sum of its proper divisors (7963245577).

11220211031303 is an equidigital number, since it uses as much as digits as its factorization.

11220211031303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963245576.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11220211031303 its reverse (30313011202211), we get a palindrome (41533222233514).

The spelling of 11220211031303 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, thirty-one thousand, three hundred three".