10100019 has 4 divisors (see below), whose sum is σ = 13466696. Its totient is φ = 6733344.

The previous prime is 10100011. The next prime is 10100047. The reversal of 10100019 is 91000101.

10100019 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10100019 - 2³ = 10100011 is a prime.

It is a super-2 number, since 2×10100019² = 204020767600722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10099977 and 10100013.

It is not an unprimeable number, because it can be changed into a prime (10100011) 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, 1683334 + ... + 1683339.

It is an arithmetic number, because the mean of its divisors is an integer number (3366674).

Almost surely, 2^10100019 is an apocalyptic number.

10100019 is a deficient number, since it is larger than the sum of its proper divisors (3366677).

10100019 is an equidigital number, since it uses as much as digits as its factorization.

10100019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366676.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 10100019 is about 3178.0527056674. The cubic root of 10100019 is about 216.1593688398.

The spelling of 10100019 in words is "ten million, one hundred thousand, nineteen".