104121212103 has 20 divisors (see below), whose sum is σ = 156726431928. Its totient is φ = 68884255440.

The previous prime is 104121212099. The next prime is 104121212123. The reversal of 104121212103 is 301212121401.

It is not a de Polignac number, because 104121212103 - 2² = 104121212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121212123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4895676 + ... + 4916897.

Almost surely, 2^104121212103 is an apocalyptic number.

104121212103 is a deficient number, since it is larger than the sum of its proper divisors (52605219825).

104121212103 is an equidigital number, since it uses as much as digits as its factorization.

104121212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812716 (or 9812707 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 104121212103 its reverse (301212121401), we get a palindrome (405333333504).

The spelling of 104121212103 in words is "one hundred four billion, one hundred twenty-one million, two hundred twelve thousand, one hundred three".