2211111310003 has 4 divisors (see below), whose sum is σ = 2215355286168. Its totient is φ = 2206867333840.

The previous prime is 2211111309997. The next prime is 2211111310049. The reversal of 2211111310003 is 3000131111122.

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 2211111310003 - 2¹⁷ = 2211111178931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211111316003) 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, 2121987301 + ... + 2121988342.

It is an arithmetic number, because the mean of its divisors is an integer number (553838821542).

Almost surely, 2^{2211111310003} is an apocalyptic number.

2211111310003 is a deficient number, since it is larger than the sum of its proper divisors (4243976165).

2211111310003 is an equidigital number, since it uses as much as digits as its factorization.

2211111310003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243976164.

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

Adding to 2211111310003 its reverse (3000131111122), we get a palindrome (5211242421125).

The spelling of 2211111310003 in words is "two trillion, two hundred eleven billion, one hundred eleven million, three hundred ten thousand, three".