11100221311003 has 16 divisors (see below), whose sum is σ = 12198461783904. Its totient is φ = 10016844687360.

The previous prime is 11100221310967. The next prime is 11100221311007. The reversal of 11100221311003 is 30011312200111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11100221311003 - 2⁹ = 11100221310491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100221311007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25610551 + ... + 26040367.

It is an arithmetic number, because the mean of its divisors is an integer number (762403861494).

Almost surely, 2^{11100221311003} is an apocalyptic number.

11100221311003 is a deficient number, since it is larger than the sum of its proper divisors (1098240472901).

11100221311003 is a wasteful number, since it uses less digits than its factorization.

11100221311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447102.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11100221311003 its reverse (30011312200111), we get a palindrome (41111533511114).

The spelling of 11100221311003 in words is "eleven trillion, one hundred billion, two hundred twenty-one million, three hundred eleven thousand, three".