221002220012263 has 2 divisors, whose sum is σ = 221002220012264. Its totient is φ = 221002220012262.

The previous prime is 221002220012183. The next prime is 221002220012267. The reversal of 221002220012263 is 362210022200122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221002220012263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221002220012267) 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, 110501110006131 + 110501110006132.

It is an arithmetic number, because the mean of its divisors is an integer number (110501110006132).

Almost surely, 2^{221002220012263} is an apocalyptic number.

221002220012263 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002220012263 is an equidigital number, since it uses as much as digits as its factorization.

221002220012263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221002220012263 its reverse (362210022200122), we get a palindrome (583212242212385).

The spelling of 221002220012263 in words is "two hundred twenty-one trillion, two billion, two hundred twenty million, twelve thousand, two hundred sixty-three".