100199741903 has 4 divisors (see below), whose sum is σ = 100200602088. Its totient is φ = 100198881720.

The previous prime is 100199741899. The next prime is 100199741947. The reversal of 100199741903 is 309147991001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 309147991001 = 541 ⋅571438061.

It is a cyclic number.

It is not a de Polignac number, because 100199741903 - 2² = 100199741899 is a prime.

It is a super-2 number, since 2×100199741903² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100199741203) 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, 221708 + ... + 499553.

It is an arithmetic number, because the mean of its divisors is an integer number (25050150522).

Almost surely, 2^100199741903 is an apocalyptic number.

100199741903 is a deficient number, since it is larger than the sum of its proper divisors (860185).

100199741903 is an equidigital number, since it uses as much as digits as its factorization.

100199741903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860184.

The product of its (nonzero) digits is 61236, while the sum is 44.

The spelling of 100199741903 in words is "one hundred billion, one hundred ninety-nine million, seven hundred forty-one thousand, nine hundred three".