121405411442043 has 96 divisors (see below), whose sum is σ = 180961682743296. Its totient is φ = 78393709808064.

The previous prime is 121405411442017. The next prime is 121405411442071. The reversal of 121405411442043 is 340244114504121.

121405411442043 is a `hidden beast` number, since 1 + 2 + 1 + 40 + 541 + 14 + 4 + 20 + 43 = 666.

It is not a de Polignac number, because 121405411442043 - 2⁵ = 121405411442011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121405411441989 and 121405411442007.

It is not an unprimeable number, because it can be changed into a prime (121405411442243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33325666980 + ... + 33325670622.

It is an arithmetic number, because the mean of its divisors is an integer number (1885017528576).

Almost surely, 2^{121405411442043} is an apocalyptic number.

121405411442043 is a deficient number, since it is larger than the sum of its proper divisors (59556271301253).

121405411442043 is a wasteful number, since it uses less digits than its factorization.

121405411442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813 (or 5810 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 121405411442043 its reverse (340244114504121), we get a palindrome (461649525946164).

The spelling of 121405411442043 in words is "one hundred twenty-one trillion, four hundred five billion, four hundred eleven million, four hundred forty-two thousand, forty-three".