100001210203 has 2 divisors, whose sum is σ = 100001210204. Its totient is φ = 100001210202.

The previous prime is 100001210201. The next prime is 100001210219. The reversal of 100001210203 is 302012100001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100001210203 - 2¹ = 100001210201 is a prime.

Together with 100001210201, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100001210203.

It is not a weakly prime, because it can be changed into another prime (100001210201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000605101 + 50000605102.

It is an arithmetic number, because the mean of its divisors is an integer number (50000605102).

Almost surely, 2^100001210203 is an apocalyptic number.

100001210203 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001210203 is an equidigital number, since it uses as much as digits as its factorization.

100001210203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100001210203 its reverse (302012100001), we get a palindrome (402013310204).

The spelling of 100001210203 in words is "one hundred billion, one million, two hundred ten thousand, two hundred three".