121112534454043 has 16 divisors (see below), whose sum is σ = 132489329144832. Its totient is φ = 109796888844000.

The previous prime is 121112534454011. The next prime is 121112534454089. The reversal of 121112534454043 is 340454435211121.

It is a cyclic number.

It is not a de Polignac number, because 121112534454043 - 2⁵ = 121112534454011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121112534453987 and 121112534454005.

It is not an unprimeable number, because it can be changed into a prime (121112534454643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42823158 + ... + 45563668.

It is an arithmetic number, because the mean of its divisors is an integer number (8280583071552).

Almost surely, 2^{121112534454043} is an apocalyptic number.

121112534454043 is a deficient number, since it is larger than the sum of its proper divisors (11376794690789).

121112534454043 is a wasteful number, since it uses less digits than its factorization.

121112534454043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751666.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 121112534454043 its reverse (340454435211121), we get a palindrome (461566969665164).

The spelling of 121112534454043 in words is "one hundred twenty-one trillion, one hundred twelve billion, five hundred thirty-four million, four hundred fifty-four thousand, forty-three".