121040012411 has 16 divisors (see below), whose sum is σ = 130189248000. Its totient is φ = 112171193568.

The previous prime is 121040012389. The next prime is 121040012413. The reversal of 121040012411 is 114210040121.

It is a cyclic number.

It is not a de Polignac number, because 121040012411 - 2¹⁰ = 121040011387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121040012411.

It is not an unprimeable number, because it can be changed into a prime (121040012413) 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 15 ways as a sum of consecutive naturals, for example, 1727540 + ... + 1796238.

It is an arithmetic number, because the mean of its divisors is an integer number (8136828000).

Almost surely, 2^121040012411 is an apocalyptic number.

121040012411 is a deficient number, since it is larger than the sum of its proper divisors (9149235589).

121040012411 is a wasteful number, since it uses less digits than its factorization.

121040012411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70738.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121040012411 its reverse (114210040121), we get a palindrome (235250052532).

The spelling of 121040012411 in words is "one hundred twenty-one billion, forty million, twelve thousand, four hundred eleven".