2221003103 has 4 divisors (see below), whose sum is σ = 2422912488. Its totient is φ = 2019093720.

The previous prime is 2221003069. The next prime is 2221003117. The reversal of 2221003103 is 3013001222.

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 2221003103 - 2¹⁰ = 2221002079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221003133) 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, 100954676 + ... + 100954697.

It is an arithmetic number, because the mean of its divisors is an integer number (605728122).

Almost surely, 2^2221003103 is an apocalyptic number.

2221003103 is a deficient number, since it is larger than the sum of its proper divisors (201909385).

2221003103 is a wasteful number, since it uses less digits than its factorization.

2221003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201909384.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2221003103 is about 47127.5195931210. The cubic root of 2221003103 is about 1304.7172022180.

Adding to 2221003103 its reverse (3013001222), we get a palindrome (5234004325).

The spelling of 2221003103 in words is "two billion, two hundred twenty-one million, three thousand, one hundred three".