210101000203 has 2 divisors, whose sum is σ = 210101000204. Its totient is φ = 210101000202.

The previous prime is 210101000147. The next prime is 210101000269. The reversal of 210101000203 is 302000101012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210101000203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210101000203.

It is not a weakly prime, because it can be changed into another prime (210101000903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050500101 + 105050500102.

It is an arithmetic number, because the mean of its divisors is an integer number (105050500102).

Almost surely, 2^210101000203 is an apocalyptic number.

210101000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

210101000203 is an equidigital number, since it uses as much as digits as its factorization.

210101000203 is an odious number, because the sum of its binary digits is odd.

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

Adding to 210101000203 its reverse (302000101012), we get a palindrome (512101101215).

The spelling of 210101000203 in words is "two hundred ten billion, one hundred one million, two hundred three", and thus it is an aban number.