10021000100203 has 2 divisors, whose sum is σ = 10021000100204. Its totient is φ = 10021000100202.

The previous prime is 10021000100099. The next prime is 10021000100263. The reversal of 10021000100203 is 30200100012001.

10021000100203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (30200100012001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021000100203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021000100203.

It is not a weakly prime, because it can be changed into another prime (10021000100263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010500050101 + 5010500050102.

It is an arithmetic number, because the mean of its divisors is an integer number (5010500050102).

Almost surely, 2^{10021000100203} is an apocalyptic number.

10021000100203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021000100203 is an equidigital number, since it uses as much as digits as its factorization.

10021000100203 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 10021000100203 its reverse (30200100012001), we get a palindrome (40221100112204).

The spelling of 10021000100203 in words is "ten trillion, twenty-one billion, one hundred thousand, two hundred three".