121434343122241 has 16 divisors (see below), whose sum is σ = 126416659719168. Its totient is φ = 116522103744000.

The previous prime is 121434343122187. The next prime is 121434343122343. The reversal of 121434343122241 is 142221343434121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121434343122241 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 121434343122241.

It is not an unprimeable number, because it can be changed into a prime (121434343129241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27171540 + ... + 31323493.

It is an arithmetic number, because the mean of its divisors is an integer number (7901041232448).

Almost surely, 2^{121434343122241} is an apocalyptic number.

It is an amenable number.

121434343122241 is a deficient number, since it is larger than the sum of its proper divisors (4982316596927).

121434343122241 is a wasteful number, since it uses less digits than its factorization.

121434343122241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58495632.

The product of its digits is 110592, while the sum is 37.

Adding to 121434343122241 its reverse (142221343434121), we get a palindrome (263655686556362).

The spelling of 121434343122241 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, three hundred forty-three million, one hundred twenty-two thousand, two hundred forty-one".