221102201001223 has 2 divisors, whose sum is σ = 221102201001224. Its totient is φ = 221102201001222.

The previous prime is 221102201001211. The next prime is 221102201001229. The reversal of 221102201001223 is 322100102201122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221102201001223 - 2²¹ = 221102198904071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221102201001223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221102201001229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551100500611 + 110551100500612.

It is an arithmetic number, because the mean of its divisors is an integer number (110551100500612).

Almost surely, 2^{221102201001223} is an apocalyptic number.

221102201001223 is a deficient number, since it is larger than the sum of its proper divisors (1).

221102201001223 is an equidigital number, since it uses as much as digits as its factorization.

221102201001223 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 221102201001223 its reverse (322100102201122), we get a palindrome (543202303202345).

The spelling of 221102201001223 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred one million, one thousand, two hundred twenty-three".