22111100203 has 2 divisors, whose sum is σ = 22111100204. Its totient is φ = 22111100202.

The previous prime is 22111100149. The next prime is 22111100213. The reversal of 22111100203 is 30200111122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111100203 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111100213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055550101 + 11055550102.

It is an arithmetic number, because the mean of its divisors is an integer number (11055550102).

Almost surely, 2^22111100203 is an apocalyptic number.

22111100203 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111100203 is an equidigital number, since it uses as much as digits as its factorization.

22111100203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22111100203 its reverse (30200111122), we get a palindrome (52311211325).

The spelling of 22111100203 in words is "twenty-two billion, one hundred eleven million, one hundred thousand, two hundred three".