2221102103 has 4 divisors (see below), whose sum is σ = 2423020488. Its totient is φ = 2019183720.

The previous prime is 2221102099. The next prime is 2221102127. The reversal of 2221102103 is 3012011222.

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 2221102103 - 2² = 2221102099 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 (2221102133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100959176 + ... + 100959197.

It is an arithmetic number, because the mean of its divisors is an integer number (605755122).

Almost surely, 2^2221102103 is an apocalyptic number.

2221102103 is a deficient number, since it is larger than the sum of its proper divisors (201918385).

2221102103 is a wasteful number, since it uses less digits than its factorization.

2221102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201918384.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2221102103 is about 47128.5699231369. The cubic root of 2221102103 is about 1304.7365876155.

Adding to 2221102103 its reverse (3012011222), we get a palindrome (5233113325).

The spelling of 2221102103 in words is "two billion, two hundred twenty-one million, one hundred two thousand, one hundred three".