241221435214456 has 8 divisors (see below), whose sum is σ = 452290191027120. Its totient is φ = 120610717607224.

The previous prime is 241221435214433. The next prime is 241221435214471. The reversal of 241221435214456 is 654412534122142.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×241221435214456² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 15076339700896 + ... + 15076339700911.

It is an arithmetic number, because the mean of its divisors is an integer number (56536273878390).

Almost surely, 2^{241221435214456} is an apocalyptic number.

It is an amenable number.

241221435214456 is a deficient number, since it is larger than the sum of its proper divisors (211068755812664).

241221435214456 is a wasteful number, since it uses less digits than its factorization.

241221435214456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30152679401813 (or 30152679401809 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 46.

Adding to 241221435214456 its reverse (654412534122142), we get a palindrome (895633969336598).

The spelling of 241221435214456 in words is "two hundred forty-one trillion, two hundred twenty-one billion, four hundred thirty-five million, two hundred fourteen thousand, four hundred fifty-six".