104043010121 has 4 divisors (see below), whose sum is σ = 104044147152. Its totient is φ = 104041873092.

The previous prime is 104043010109. The next prime is 104043010129. The reversal of 104043010121 is 121010340401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121010340401 = 2711 ⋅44636791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104043010121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 104043010121.

It is not an unprimeable number, because it can be changed into a prime (104043010129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417971 + ... + 618696.

It is an arithmetic number, because the mean of its divisors is an integer number (26011036788).

Almost surely, 2^104043010121 is an apocalyptic number.

It is an amenable number.

104043010121 is a deficient number, since it is larger than the sum of its proper divisors (1137031).

104043010121 is a wasteful number, since it uses less digits than its factorization.

104043010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137030.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 104043010121 its reverse (121010340401), we get a palindrome (225053350522).

The spelling of 104043010121 in words is "one hundred four billion, forty-three million, ten thousand, one hundred twenty-one".