221101002222343 has 2 divisors, whose sum is σ = 221101002222344. Its totient is φ = 221101002222342.

The previous prime is 221101002222319. The next prime is 221101002222389. The reversal of 221101002222343 is 343222200101122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221101002222343 - 2⁴⁵ = 185916630133511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221101002222743) 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, 110550501111171 + 110550501111172.

It is an arithmetic number, because the mean of its divisors is an integer number (110550501111172).

Almost surely, 2^{221101002222343} is an apocalyptic number.

221101002222343 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101002222343 is an equidigital number, since it uses as much as digits as its factorization.

221101002222343 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 221101002222343 its reverse (343222200101122), we get a palindrome (564323202323465).

The spelling of 221101002222343 in words is "two hundred twenty-one trillion, one hundred one billion, two million, two hundred twenty-two thousand, three hundred forty-three".