100100199943 has 2 divisors, whose sum is σ = 100100199944. Its totient is φ = 100100199942.

The previous prime is 100100199929. The next prime is 100100199949. The reversal of 100100199943 is 349991001001.

It is a strong prime.

It is an emirp because it is prime and its reverse (349991001001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100100199943 - 2²⁹ = 99563329031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100199949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050099971 + 50050099972.

It is an arithmetic number, because the mean of its divisors is an integer number (50050099972).

Almost surely, 2^100100199943 is an apocalyptic number.

100100199943 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100199943 is an equidigital number, since it uses as much as digits as its factorization.

100100199943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 100100199943 in words is "one hundred billion, one hundred million, one hundred ninety-nine thousand, nine hundred forty-three".