241221505005311 has 2 divisors, whose sum is σ = 241221505005312. Its totient is φ = 241221505005310.

The previous prime is 241221505005277. The next prime is 241221505005353. The reversal of 241221505005311 is 113500505122142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241221505005311 - 2¹⁴ = 241221504988927 is a prime.

It is a super-2 number, since 2×241221505005311² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241221505005211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120610752502655 + 120610752502656.

It is an arithmetic number, because the mean of its divisors is an integer number (120610752502656).

Almost surely, 2^{241221505005311} is an apocalyptic number.

241221505005311 is a deficient number, since it is larger than the sum of its proper divisors (1).

241221505005311 is an equidigital number, since it uses as much as digits as its factorization.

241221505005311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 241221505005311 in words is "two hundred forty-one trillion, two hundred twenty-one billion, five hundred five million, five thousand, three hundred eleven".