240542201125221 has 4 divisors (see below), whose sum is σ = 320722934833632. Its totient is φ = 160361467416812.

The previous prime is 240542201125217. The next prime is 240542201125267. The reversal of 240542201125221 is 122521102245042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240542201125221 - 2² = 240542201125217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240542201125201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40090366854201 + ... + 40090366854206.

It is an arithmetic number, because the mean of its divisors is an integer number (80180733708408).

Almost surely, 2^{240542201125221} is an apocalyptic number.

It is an amenable number.

240542201125221 is a deficient number, since it is larger than the sum of its proper divisors (80180733708411).

240542201125221 is an equidigital number, since it uses as much as digits as its factorization.

240542201125221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80180733708410.

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

The spelling of 240542201125221 in words is "two hundred forty trillion, five hundred forty-two billion, two hundred one million, one hundred twenty-five thousand, two hundred twenty-one".