22111213603 has 2 divisors, whose sum is σ = 22111213604. Its totient is φ = 22111213602.

The previous prime is 22111213561. The next prime is 22111213609. The reversal of 22111213603 is 30631211122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111213603 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111213609) 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, 11055606801 + 11055606802.

It is an arithmetic number, because the mean of its divisors is an integer number (11055606802).

Almost surely, 2^22111213603 is an apocalyptic number.

22111213603 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111213603 is an equidigital number, since it uses as much as digits as its factorization.

22111213603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22111213603 its reverse (30631211122), we get a palindrome (52742424725).

The spelling of 22111213603 in words is "twenty-two billion, one hundred eleven million, two hundred thirteen thousand, six hundred three".