22021110203 has 2 divisors, whose sum is σ = 22021110204. Its totient is φ = 22021110202.

The previous prime is 22021110197. The next prime is 22021110233. The reversal of 22021110203 is 30201112022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22021110203 - 2¹⁰ = 22021109179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22021110233) 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, 11010555101 + 11010555102.

It is an arithmetic number, because the mean of its divisors is an integer number (11010555102).

Almost surely, 2^22021110203 is an apocalyptic number.

22021110203 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021110203 is an equidigital number, since it uses as much as digits as its factorization.

22021110203 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 14.

Adding to 22021110203 its reverse (30201112022), we get a palindrome (52222222225).

The spelling of 22021110203 in words is "twenty-two billion, twenty-one million, one hundred ten thousand, two hundred three".