2212221103 has 4 divisors (see below), whose sum is σ = 2212316928. Its totient is φ = 2212125280.

The previous prime is 2212221073. The next prime is 2212221131. The reversal of 2212221103 is 3011222122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212221103 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 (2212221173) 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, 10263 + ... + 67303.

It is an arithmetic number, because the mean of its divisors is an integer number (553079232).

Almost surely, 2^2212221103 is an apocalyptic number.

2212221103 is a deficient number, since it is larger than the sum of its proper divisors (95825).

2212221103 is an equidigital number, since it uses as much as digits as its factorization.

2212221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95824.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2212221103 is about 47034.2545704724. The cubic root of 2212221103 is about 1302.9952833157.

Adding to 2212221103 its reverse (3011222122), we get a palindrome (5223443225).

The spelling of 2212221103 in words is "two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred three".