240210120221 has 8 divisors (see below), whose sum is σ = 241326618624. Its totient is φ = 239093973360.

The previous prime is 240210120211. The next prime is 240210120257. The reversal of 240210120221 is 122021012042.

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

It is a cyclic number.

It is not a de Polignac number, because 240210120221 - 2²² = 240205925917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240210120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240210120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335251 + ... + 1504431.

It is an arithmetic number, because the mean of its divisors is an integer number (30165827328).

Almost surely, 2^240210120221 is an apocalyptic number.

It is an amenable number.

240210120221 is a deficient number, since it is larger than the sum of its proper divisors (1116498403).

240210120221 is a wasteful number, since it uses less digits than its factorization.

240210120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175771.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 240210120221 its reverse (122021012042), we get a palindrome (362231132263).

The spelling of 240210120221 in words is "two hundred forty billion, two hundred ten million, one hundred twenty thousand, two hundred twenty-one".