11111000221003 has 4 divisors (see below), whose sum is σ = 11111134902400. Its totient is φ = 11110865539608.

The previous prime is 11111000221001. The next prime is 11111000221019. The reversal of 11111000221003 is 30012200011111.

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 11111000221003 - 2¹ = 11111000221001 is a prime.

It is a super-2 number, since 2×11111000221003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111000221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67216875 + ... + 67381972.

It is an arithmetic number, because the mean of its divisors is an integer number (2777783725600).

Almost surely, 2^{11111000221003} is an apocalyptic number.

11111000221003 is a deficient number, since it is larger than the sum of its proper divisors (134681397).

11111000221003 is an equidigital number, since it uses as much as digits as its factorization.

11111000221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134681396.

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

Adding to 11111000221003 its reverse (30012200011111), we get a palindrome (41123200232114).

The spelling of 11111000221003 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-one thousand, three".