241221314332551 has 8 divisors (see below), whose sum is σ = 367575336125824. Its totient is φ = 137840751047160.

The previous prime is 241221314332543. The next prime is 241221314332553. The reversal of 241221314332551 is 155233413122142.

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 241221314332551 - 2³ = 241221314332543 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 (241221314332553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5743364626945 + ... + 5743364626986.

It is an arithmetic number, because the mean of its divisors is an integer number (45946917015728).

Almost surely, 2^{241221314332551} is an apocalyptic number.

241221314332551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

241221314332551 is a deficient number, since it is larger than the sum of its proper divisors (126354021793273).

241221314332551 is a wasteful number, since it uses less digits than its factorization.

241221314332551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486729253941.

The product of its digits is 172800, while the sum is 39.

Adding to 241221314332551 its reverse (155233413122142), we get a palindrome (396454727454693).

The spelling of 241221314332551 in words is "two hundred forty-one trillion, two hundred twenty-one billion, three hundred fourteen million, three hundred thirty-two thousand, five hundred fifty-one".