2221001103 has 4 divisors (see below), whose sum is σ = 2961334808. Its totient is φ = 1480667400.

The previous prime is 2221001099. The next prime is 2221001131. The reversal of 2221001103 is 3011001222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2221001103 - 2² = 2221001099 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 (2221001173) 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, 370166848 + ... + 370166853.

It is an arithmetic number, because the mean of its divisors is an integer number (740333702).

Almost surely, 2^2221001103 is an apocalyptic number.

2221001103 is a deficient number, since it is larger than the sum of its proper divisors (740333705).

2221001103 is an equidigital number, since it uses as much as digits as its factorization.

2221001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740333704.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2221001103 is about 47127.4983740915. The cubic root of 2221001103 is about 1304.7168105879.

Adding to 2221001103 its reverse (3011001222), we get a palindrome (5232002325).

The spelling of 2221001103 in words is "two billion, two hundred twenty-one million, one thousand, one hundred three".