102820076103 has 4 divisors (see below), whose sum is σ = 137093434808. Its totient is φ = 68546717400.

The previous prime is 102820076063. The next prime is 102820076111. The reversal of 102820076103 is 301670028201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102820076103 - 2⁸ = 102820075847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102820076113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17136679348 + ... + 17136679353.

It is an arithmetic number, because the mean of its divisors is an integer number (34273358702).

Almost surely, 2^102820076103 is an apocalyptic number.

102820076103 is a deficient number, since it is larger than the sum of its proper divisors (34273358705).

102820076103 is an equidigital number, since it uses as much as digits as its factorization.

102820076103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34273358704.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 102820076103 in words is "one hundred two billion, eight hundred twenty million, seventy-six thousand, one hundred three".