100101000203 has 4 divisors (see below), whose sum is σ = 100110064440. Its totient is φ = 100091935968.

The previous prime is 100101000179. The next prime is 100101000221. The reversal of 100101000203 is 302000101001.

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 100101000203 - 2³⁴ = 82921131019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100101000283) 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, 4515533 + ... + 4537646.

It is an arithmetic number, because the mean of its divisors is an integer number (25027516110).

Almost surely, 2^100101000203 is an apocalyptic number.

100101000203 is a deficient number, since it is larger than the sum of its proper divisors (9064237).

100101000203 is an equidigital number, since it uses as much as digits as its factorization.

100101000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064236.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 100101000203 its reverse (302000101001), we get a palindrome (402101101204).

The spelling of 100101000203 in words is "one hundred billion, one hundred one million, two hundred three", and thus it is an aban number.