2221201011223 has 2 divisors, whose sum is σ = 2221201011224. Its totient is φ = 2221201011222.

The previous prime is 2221201011181. The next prime is 2221201011257. The reversal of 2221201011223 is 3221101021222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221201011223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221201011223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221201012223) 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, 1110600505611 + 1110600505612.

It is an arithmetic number, because the mean of its divisors is an integer number (1110600505612).

Almost surely, 2^{2221201011223} is an apocalyptic number.

2221201011223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221201011223 is an equidigital number, since it uses as much as digits as its factorization.

2221201011223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2221201011223 its reverse (3221101021222), we get a palindrome (5442302032445).

Subtracting 2221201011223 from its reverse (3221101021222), we obtain a palindrome (999900009999).

The spelling of 2221201011223 in words is "two trillion, two hundred twenty-one billion, two hundred one million, eleven thousand, two hundred twenty-three".