2221112012003 has 4 divisors (see below), whose sum is σ = 2272765779768. Its totient is φ = 2169458244240.

The previous prime is 2221112011997. The next prime is 2221112012027. The reversal of 2221112012003 is 3002102111222.

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 2221112012003 - 2²⁶ = 2221044903139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221112042003) 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 3 ways as a sum of consecutive naturals, for example, 25826883818 + ... + 25826883903.

It is an arithmetic number, because the mean of its divisors is an integer number (568191444942).

Almost surely, 2^{2221112012003} is an apocalyptic number.

2221112012003 is a deficient number, since it is larger than the sum of its proper divisors (51653767765).

2221112012003 is an equidigital number, since it uses as much as digits as its factorization.

2221112012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51653767764.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2221112012003 its reverse (3002102111222), we get a palindrome (5223214123225).

The spelling of 2221112012003 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, twelve thousand, three".