241221314332553 has 2 divisors, whose sum is σ = 241221314332554. Its totient is φ = 241221314332552.

The previous prime is 241221314332543. The next prime is 241221314332567. The reversal of 241221314332553 is 355233413122142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206784169920064 + 34437144412489 = 14379992^2 + 5868317^2 .

It is a cyclic number.

It is not a de Polignac number, because 241221314332553 - 2³⁶ = 241152594855817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241221314332553.

It is not a weakly prime, because it can be changed into another prime (241221314332513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120610657166276 + 120610657166277.

It is an arithmetic number, because the mean of its divisors is an integer number (120610657166277).

Almost surely, 2^{241221314332553} is an apocalyptic number.

It is an amenable number.

241221314332553 is a deficient number, since it is larger than the sum of its proper divisors (1).

241221314332553 is an equidigital number, since it uses as much as digits as its factorization.

241221314332553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 41.

Adding to 241221314332553 its reverse (355233413122142), we get a palindrome (596454727454695).

The spelling of 241221314332553 in words is "two hundred forty-one trillion, two hundred twenty-one billion, three hundred fourteen million, three hundred thirty-two thousand, five hundred fifty-three".