99820103 has 2 divisors, whose sum is σ = 99820104. Its totient is φ = 99820102.

The previous prime is 99820087. The next prime is 99820139. The reversal of 99820103 is 30102899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99820103 - 2⁴ = 99820087 is a prime.

It is equal to p_5751644 and since 99820103 and 5751644 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99820103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99820003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49910051 + 49910052.

It is an arithmetic number, because the mean of its divisors is an integer number (49910052).

Almost surely, 2^99820103 is an apocalyptic number.

99820103 is a deficient number, since it is larger than the sum of its proper divisors (1).

99820103 is an equidigital number, since it uses as much as digits as its factorization.

99820103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 99820103 is about 9991.0011009908. The cubic root of 99820103 is about 463.8803803194.

The spelling of 99820103 in words is "ninety-nine million, eight hundred twenty thousand, one hundred three".