102100219 has 8 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 94143936.

The previous prime is 102100211. The next prime is 102100223. The reversal of 102100219 is 912001201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102100219 - 2³ = 102100211 is a prime.

It is a super-2 number, since 2×102100219² = 20848909439695922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102100211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9894 + ... + 17380.

It is an arithmetic number, because the mean of its divisors is an integer number (13759200).

Almost surely, 2^102100219 is an apocalyptic number.

102100219 is a deficient number, since it is larger than the sum of its proper divisors (7973381).

102100219 is a wasteful number, since it uses less digits than its factorization.

102100219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 102100219 is about 10104.4653000542. The cubic root of 102100219 is about 467.3858476187.

The spelling of 102100219 in words is "one hundred two million, one hundred thousand, two hundred nineteen".