241221402221505 has 16 divisors (see below), whose sum is σ = 385954932257664. Its totient is φ = 128651184950400.

The previous prime is 241221402221479. The next prime is 241221402221519. The reversal of 241221402221505 is 505122204122142.

It is a happy number.

It is not a de Polignac number, because 241221402221505 - 2⁷ = 241221402221377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5485069 + ... + 22639098.

It is an arithmetic number, because the mean of its divisors is an integer number (24122183266104).

Almost surely, 2^{241221402221505} is an apocalyptic number.

It is an amenable number.

241221402221505 is a deficient number, since it is larger than the sum of its proper divisors (144733530036159).

241221402221505 is a wasteful number, since it uses less digits than its factorization.

241221402221505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28695976.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 241221402221505 its reverse (505122204122142), we get a palindrome (746343606343647).

The spelling of 241221402221505 in words is "two hundred forty-one trillion, two hundred twenty-one billion, four hundred two million, two hundred twenty-one thousand, five hundred five".