104021121043 has 4 divisors (see below), whose sum is σ = 118881281200. Its totient is φ = 89160960888.

The previous prime is 104021121037. The next prime is 104021121089. The reversal of 104021121043 is 340121120401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104021121043 - 2⁵ = 104021121011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104021121043.

It is not an unprimeable number, because it can be changed into a prime (104021121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7430080068 + ... + 7430080081.

It is an arithmetic number, because the mean of its divisors is an integer number (29720320300).

Almost surely, 2^104021121043 is an apocalyptic number.

104021121043 is a deficient number, since it is larger than the sum of its proper divisors (14860160157).

104021121043 is an equidigital number, since it uses as much as digits as its factorization.

104021121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14860160156.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 104021121043 its reverse (340121120401), we get a palindrome (444142241444).

The spelling of 104021121043 in words is "one hundred four billion, twenty-one million, one hundred twenty-one thousand, forty-three".