10100021000203 has 2 divisors, whose sum is σ = 10100021000204. Its totient is φ = 10100021000202.

The previous prime is 10100021000183. The next prime is 10100021000219. The reversal of 10100021000203 is 30200012000101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10100021000203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10100021000203.

It is not a weakly prime, because it can be changed into another prime (10100021000263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050010500101 + 5050010500102.

It is an arithmetic number, because the mean of its divisors is an integer number (5050010500102).

Almost surely, 2^{10100021000203} is an apocalyptic number.

10100021000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100021000203 is an equidigital number, since it uses as much as digits as its factorization.

10100021000203 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 10100021000203 its reverse (30200012000101), we get a palindrome (40300033000304).

The spelling of 10100021000203 in words is "ten trillion, one hundred billion, twenty-one million, two hundred three", and thus it is an aban number.