105210104203 has 4 divisors (see below), whose sum is σ = 111398933880. Its totient is φ = 99021274528.

The previous prime is 105210104189. The next prime is 105210104239. The reversal of 105210104203 is 302401012501.

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 105210104203 - 2²⁵ = 105176549771 is a prime.

It is a super-3 number, since 3×105210104203³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105210104243) 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, 3094414813 + ... + 3094414846.

It is an arithmetic number, because the mean of its divisors is an integer number (27849733470).

Almost surely, 2^105210104203 is an apocalyptic number.

105210104203 is a deficient number, since it is larger than the sum of its proper divisors (6188829677).

105210104203 is an equidigital number, since it uses as much as digits as its factorization.

105210104203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188829676.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 105210104203 its reverse (302401012501), we get a palindrome (407611116704).

The spelling of 105210104203 in words is "one hundred five billion, two hundred ten million, one hundred four thousand, two hundred three".