22221111103 has 2 divisors, whose sum is σ = 22221111104. Its totient is φ = 22221111102.

The previous prime is 22221110987. The next prime is 22221111137. The reversal of 22221111103 is 30111112222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221111103 - 2⁹ = 22221110591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221112103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110555551 + 11110555552.

It is an arithmetic number, because the mean of its divisors is an integer number (11110555552).

Almost surely, 2^22221111103 is an apocalyptic number.

22221111103 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221111103 is an equidigital number, since it uses as much as digits as its factorization.

22221111103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22221111103 its reverse (30111112222), we get a palindrome (52332223325).

The spelling of 22221111103 in words is "twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred three".