22111011821603 has 2 divisors, whose sum is σ = 22111011821604. Its totient is φ = 22111011821602.

The previous prime is 22111011821599. The next prime is 22111011821611. The reversal of 22111011821603 is 30612811011122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111011821603 - 2² = 22111011821599 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111011821303) 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, 11055505910801 + 11055505910802.

It is an arithmetic number, because the mean of its divisors is an integer number (11055505910802).

Almost surely, 2^{22111011821603} is an apocalyptic number.

22111011821603 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111011821603 is an equidigital number, since it uses as much as digits as its factorization.

22111011821603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

Adding to 22111011821603 its reverse (30612811011122), we get a palindrome (52723822832725).

The spelling of 22111011821603 in words is "twenty-two trillion, one hundred eleven billion, eleven million, eight hundred twenty-one thousand, six hundred three".