241221402235221 has 8 divisors (see below), whose sum is σ = 324751143462720. Its totient is φ = 159252964582272.

The previous prime is 241221402235213. The next prime is 241221402235223. The reversal of 241221402235221 is 122532204122142.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 241221402235221 - 2³ = 241221402235213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241221402235223) 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 in 7 ways as a sum of consecutive naturals, for example, 390325893276 + ... + 390325893893.

It is an arithmetic number, because the mean of its divisors is an integer number (40593892932840).

Almost surely, 2^{241221402235221} is an apocalyptic number.

It is an amenable number.

241221402235221 is a deficient number, since it is larger than the sum of its proper divisors (83529741227499).

241221402235221 is a wasteful number, since it uses less digits than its factorization.

241221402235221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780651787275.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 241221402235221 its reverse (122532204122142), we get a palindrome (363753606357363).

The spelling of 241221402235221 in words is "two hundred forty-one trillion, two hundred twenty-one billion, four hundred two million, two hundred thirty-five thousand, two hundred twenty-one".