241222351868261 has 2 divisors, whose sum is σ = 241222351868262. Its totient is φ = 241222351868260.

The previous prime is 241222351868233. The next prime is 241222351868263. The reversal of 241222351868261 is 162868153222142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209271810412900 + 31950541455361 = 14466230^2 + 5652481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241222351868261 is a prime.

Together with 241222351868263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241222351868263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120611175934130 + 120611175934131.

It is an arithmetic number, because the mean of its divisors is an integer number (120611175934131).

Almost surely, 2^{241222351868261} is an apocalyptic number.

It is an amenable number.

241222351868261 is a deficient number, since it is larger than the sum of its proper divisors (1).

241222351868261 is an equidigital number, since it uses as much as digits as its factorization.

241222351868261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4423680, while the sum is 53.

The spelling of 241222351868261 in words is "two hundred forty-one trillion, two hundred twenty-two billion, three hundred fifty-one million, eight hundred sixty-eight thousand, two hundred sixty-one".