241990385221 has 16 divisors (see below), whose sum is σ = 261999904768. Its totient is φ = 222182870400.

The previous prime is 241990385177. The next prime is 241990385243. The reversal of 241990385221 is 122583099142.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241990385221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241990385251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081881 + ... + 2195041.

It is an arithmetic number, because the mean of its divisors is an integer number (16374994048).

Almost surely, 2^241990385221 is an apocalyptic number.

It is an amenable number.

241990385221 is a deficient number, since it is larger than the sum of its proper divisors (20009519547).

241990385221 is a wasteful number, since it uses less digits than its factorization.

241990385221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114052.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 241990385221 in words is "two hundred forty-one billion, nine hundred ninety million, three hundred eighty-five thousand, two hundred twenty-one".