10000021103 has 2 divisors, whose sum is σ = 10000021104. Its totient is φ = 10000021102.

The previous prime is 10000021093. The next prime is 10000021111. The reversal of 10000021103 is 30112000001.

It is an a-pointer prime, because the next prime (10000021111) can be obtained adding 10000021103 to its sum of digits (8).

It is a strong prime.

It is an emirp because it is prime and its reverse (30112000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10000021103 - 2⁶ = 10000021039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000021183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000010551 + 5000010552.

It is an arithmetic number, because the mean of its divisors is an integer number (5000010552).

Almost surely, 2^10000021103 is an apocalyptic number.

10000021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000021103 is an equidigital number, since it uses as much as digits as its factorization.

10000021103 is an evil number, because the sum of its binary digits is even.

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

Adding to 10000021103 its reverse (30112000001), we get a palindrome (40112021104).

The spelling of 10000021103 in words is "ten billion, twenty-one thousand, one hundred three".