221240240359 has 2 divisors, whose sum is σ = 221240240360. Its totient is φ = 221240240358.

The previous prime is 221240240341. The next prime is 221240240369. The reversal of 221240240359 is 953042042122.

221240240359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221240240359 - 2⁵ = 221240240327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221240240369) 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, 110620120179 + 110620120180.

It is an arithmetic number, because the mean of its divisors is an integer number (110620120180).

Almost surely, 2^221240240359 is an apocalyptic number.

221240240359 is a deficient number, since it is larger than the sum of its proper divisors (1).

221240240359 is an equidigital number, since it uses as much as digits as its factorization.

221240240359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 221240240359 in words is "two hundred twenty-one billion, two hundred forty million, two hundred forty thousand, three hundred fifty-nine".