100100219 has 4 divisors (see below), whose sum is σ = 100192896. Its totient is φ = 100007544.

The previous prime is 100100197. The next prime is 100100239. The reversal of 100100219 is 912001001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100219 is a prime.

It is a super-2 number, since 2×100100219² = 20040107687695922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100100239) 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, 44699 + ... + 46884.

It is an arithmetic number, because the mean of its divisors is an integer number (25048224).

Almost surely, 2^100100219 is an apocalyptic number.

100100219 is a deficient number, since it is larger than the sum of its proper divisors (92677).

100100219 is an equidigital number, since it uses as much as digits as its factorization.

100100219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92676.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 100100219 is about 10005.0096951477. The cubic root of 100100219 is about 464.3138900545.

The spelling of 100100219 in words is "one hundred million, one hundred thousand, two hundred nineteen".