11220111100003 has 8 divisors (see below), whose sum is σ = 12083325787568. Its totient is φ = 10356914872224.

The previous prime is 11220111099991. The next prime is 11220111100057. The reversal of 11220111100003 is 30000111102211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220111100003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220111104003) 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 7 ways as a sum of consecutive naturals, for example, 3339501 + ... + 5795902.

It is an arithmetic number, because the mean of its divisors is an integer number (1510415723446).

Almost surely, 2^{11220111100003} is an apocalyptic number.

11220111100003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11220111100003 is a deficient number, since it is larger than the sum of its proper divisors (863214687565).

11220111100003 is an equidigital number, since it uses as much as digits as its factorization.

11220111100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229893.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11220111100003 its reverse (30000111102211), we get a palindrome (41220222202214).

The spelling of 11220111100003 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, one hundred thousand, three".