102203309999 has 4 divisors (see below), whose sum is σ = 116803782864. Its totient is φ = 87602837136.

The previous prime is 102203309959. The next prime is 102203310031. The reversal of 102203309999 is 999903302201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999903302201 = 37 ⋅27024413573.

It is a cyclic number.

It is not a de Polignac number, because 102203309999 - 2⁸ = 102203309743 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 (102203309909) 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, 7300236422 + ... + 7300236435.

It is an arithmetic number, because the mean of its divisors is an integer number (29200945716).

Almost surely, 2^102203309999 is an apocalyptic number.

102203309999 is a deficient number, since it is larger than the sum of its proper divisors (14600472865).

102203309999 is an equidigital number, since it uses as much as digits as its factorization.

102203309999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600472864.

The product of its (nonzero) digits is 236196, while the sum is 47.

The spelling of 102203309999 in words is "one hundred two billion, two hundred three million, three hundred nine thousand, nine hundred ninety-nine".