102200400443 has 4 divisors (see below), whose sum is σ = 103932610680. Its totient is φ = 100468190208.

The previous prime is 102200400397. The next prime is 102200400509. The reversal of 102200400443 is 344004002201.

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

It is a cyclic number.

It is not a de Polignac number, because 102200400443 - 2²² = 102196206139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102200405443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866105030 + ... + 866105147.

It is an arithmetic number, because the mean of its divisors is an integer number (25983152670).

Almost surely, 2^102200400443 is an apocalyptic number.

102200400443 is a deficient number, since it is larger than the sum of its proper divisors (1732210237).

102200400443 is an equidigital number, since it uses as much as digits as its factorization.

102200400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732210236.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 102200400443 its reverse (344004002201), we get a palindrome (446204402644).

The spelling of 102200400443 in words is "one hundred two billion, two hundred million, four hundred thousand, four hundred forty-three".