100203100919 has 2 divisors, whose sum is σ = 100203100920. Its totient is φ = 100203100918.

The previous prime is 100203100873. The next prime is 100203100967. The reversal of 100203100919 is 919001302001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100203100919 is a prime.

It is a super-2 number, since 2×100203100919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100203100979) 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 as a sum of consecutive naturals, namely, 50101550459 + 50101550460.

It is an arithmetic number, because the mean of its divisors is an integer number (50101550460).

Almost surely, 2^100203100919 is an apocalyptic number.

100203100919 is a deficient number, since it is larger than the sum of its proper divisors (1).

100203100919 is an equidigital number, since it uses as much as digits as its factorization.

100203100919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 100203100919 in words is "one hundred billion, two hundred three million, one hundred thousand, nine hundred nineteen".