100021111002103 has 2 divisors, whose sum is σ = 100021111002104. Its totient is φ = 100021111002102.

The previous prime is 100021111002077. The next prime is 100021111002143. The reversal of 100021111002103 is 301200111120001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (301200111120001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021111002103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021111002143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010555501051 + 50010555501052.

It is an arithmetic number, because the mean of its divisors is an integer number (50010555501052).

Almost surely, 2^{100021111002103} is an apocalyptic number.

100021111002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021111002103 is an equidigital number, since it uses as much as digits as its factorization.

100021111002103 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 13.

Adding to 100021111002103 its reverse (301200111120001), we get a palindrome (401221222122104).

The spelling of 100021111002103 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, two thousand, one hundred three".