20002221103 has 2 divisors, whose sum is σ = 20002221104. Its totient is φ = 20002221102.

The previous prime is 20002221067. The next prime is 20002221121. The reversal of 20002221103 is 30112220002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002221103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002221133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001110551 + 10001110552.

It is an arithmetic number, because the mean of its divisors is an integer number (10001110552).

Almost surely, 2^20002221103 is an apocalyptic number.

20002221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002221103 is an equidigital number, since it uses as much as digits as its factorization.

20002221103 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 13.

Adding to 20002221103 its reverse (30112220002), we get a palindrome (50114441105).

The spelling of 20002221103 in words is "twenty billion, two million, two hundred twenty-one thousand, one hundred three".