121434223411441 has 8 divisors (see below), whose sum is σ = 121861740190824. Its totient is φ = 121006986151680.

The previous prime is 121434223411427. The next prime is 121434223411451. The reversal of 121434223411441 is 144114322434121.

It can be written as a sum of positive squares in 4 ways, for example, as 6865993052416 + 114568230359025 = 2620304^2 + 10703655^2 .

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 121434223411441 - 2⁵ = 121434223411409 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 121434223411441.

It is not an unprimeable number, because it can be changed into a prime (121434223411411) 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, 69009480 + ... + 70747273.

It is an arithmetic number, because the mean of its divisors is an integer number (15232717523853).

Almost surely, 2^{121434223411441} is an apocalyptic number.

It is an amenable number.

121434223411441 is a deficient number, since it is larger than the sum of its proper divisors (427516779383).

121434223411441 is a wasteful number, since it uses less digits than its factorization.

121434223411441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139759811.

The product of its digits is 73728, while the sum is 37.

Adding to 121434223411441 its reverse (144114322434121), we get a palindrome (265548545845562).

The spelling of 121434223411441 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, two hundred twenty-three million, four hundred eleven thousand, four hundred forty-one".