121244131104111 has 24 divisors (see below), whose sum is σ = 175368330970560. Its totient is φ = 80719617600000.

The previous prime is 121244131104097. The next prime is 121244131104121. The reversal of 121244131104111 is 111401131442121.

121244131104111 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 441 + 3 + 1 + 104 + 111 = 666.

It is not a de Polignac number, because 121244131104111 - 2¹¹ = 121244131102063 is a prime.

It is a super-2 number, since 2×121244131104111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244131104121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273714211 + ... + 274156811.

It is an arithmetic number, because the mean of its divisors is an integer number (7307013790440).

Almost surely, 2^{121244131104111} is an apocalyptic number.

121244131104111 is a deficient number, since it is larger than the sum of its proper divisors (54124199866449).

121244131104111 is a wasteful number, since it uses less digits than its factorization.

121244131104111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483887 (or 483884 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

Adding to 121244131104111 its reverse (111401131442121), we get a palindrome (232645262546232).

The spelling of 121244131104111 in words is "one hundred twenty-one trillion, two hundred forty-four billion, one hundred thirty-one million, one hundred four thousand, one hundred eleven".