121340422441 has 8 divisors (see below), whose sum is σ = 138842054720. Its totient is φ = 103880611728.

The previous prime is 121340422439. The next prime is 121340422457. The reversal of 121340422441 is 144224043121.

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 121340422441 - 2¹ = 121340422439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121340425441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10449171 + ... + 10460776.

It is an arithmetic number, because the mean of its divisors is an integer number (17355256840).

Almost surely, 2^121340422441 is an apocalyptic number.

It is an amenable number.

121340422441 is a deficient number, since it is larger than the sum of its proper divisors (17501632279).

121340422441 is an equidigital number, since it uses as much as digits as its factorization.

121340422441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910783.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 121340422441 its reverse (144224043121), we get a palindrome (265564465562).

The spelling of 121340422441 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-two thousand, four hundred forty-one".