11011221112003 has 8 divisors (see below), whose sum is σ = 12584303676000. Its totient is φ = 9438151292160.

The previous prime is 11011221111889. The next prime is 11011221112013. The reversal of 11011221112003 is 30021112211011.

It is a happy number.

11011221112003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11011221112003 - 2²⁵ = 11011187557571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011221112013) 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, 1256668 + ... + 4858153.

It is an arithmetic number, because the mean of its divisors is an integer number (1573037959500).

Almost surely, 2^{11011221112003} is an apocalyptic number.

11011221112003 is a deficient number, since it is larger than the sum of its proper divisors (1573082563997).

11011221112003 is an equidigital number, since it uses as much as digits as its factorization.

11011221112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372077.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11011221112003 its reverse (30021112211011), we get a palindrome (41032333323014).

The spelling of 11011221112003 in words is "eleven trillion, eleven billion, two hundred twenty-one million, one hundred twelve thousand, three".