121341441343111 has 8 divisors (see below), whose sum is σ = 132374229151248. Its totient is φ = 110308944816000.

The previous prime is 121341441343061. The next prime is 121341441343211. The reversal of 121341441343111 is 111343144143121.

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 121341441343111 - 2⁷ = 121341441342983 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 (121341441343211) 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, 71948770 + ... + 73615951.

It is an arithmetic number, because the mean of its divisors is an integer number (16546778643906).

Almost surely, 2^{121341441343111} is an apocalyptic number.

121341441343111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121341441343111 is a deficient number, since it is larger than the sum of its proper divisors (11032787808137).

121341441343111 is a wasteful number, since it uses less digits than its factorization.

121341441343111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145640513.

The product of its digits is 13824, while the sum is 34.

Adding to 121341441343111 its reverse (111343144143121), we get a palindrome (232684585486232).

The spelling of 121341441343111 in words is "one hundred twenty-one trillion, three hundred forty-one billion, four hundred forty-one million, three hundred forty-three thousand, one hundred eleven".