221441242100240 has 80 divisors (see below), whose sum is σ = 518680552284288. Its totient is φ = 87920065609728.

The previous prime is 221441242100213. The next prime is 221441242100263. The reversal of 221441242100240 is 42001242144122.

It is a tau number, because it is divible by the number of its divisors (80).

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, 13210652 + ... + 24847611.

Almost surely, 2^{221441242100240} is an apocalyptic number.

221441242100240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221441242100240 is an abundant number, since it is smaller than the sum of its proper divisors (297239310184048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221441242100240 is a wasteful number, since it uses less digits than its factorization.

221441242100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38058816 (or 38058810 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 221441242100240 its reverse (42001242144122), we get a palindrome (263442484244362).

The spelling of 221441242100240 in words is "two hundred twenty-one trillion, four hundred forty-one billion, two hundred forty-two million, one hundred thousand, two hundred forty".