121442221240323 has 8 divisors (see below), whose sum is σ = 161923024458000. Its totient is φ = 80961449424768.

The previous prime is 121442221240321. The next prime is 121442221240357. The reversal of 121442221240323 is 323042122244121.

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

It is not a de Polignac number, because 121442221240323 - 2¹ = 121442221240321 is a prime.

It is a super-2 number, since 2×121442221240323² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121442221240321) 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, 3530103 + ... + 15979551.

It is an arithmetic number, because the mean of its divisors is an integer number (20240378057250).

Almost surely, 2^{121442221240323} is an apocalyptic number.

121442221240323 is a deficient number, since it is larger than the sum of its proper divisors (40480803217677).

121442221240323 is a wasteful number, since it uses less digits than its factorization.

121442221240323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15701061.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 121442221240323 its reverse (323042122244121), we get a palindrome (444484343484444).

The spelling of 121442221240323 in words is "one hundred twenty-one trillion, four hundred forty-two billion, two hundred twenty-one million, two hundred forty thousand, three hundred twenty-three".