102010100219 has 4 divisors (see below), whose sum is σ = 102039158160. Its totient is φ = 101981042280.

The previous prime is 102010100167. The next prime is 102010100221. The reversal of 102010100219 is 912001010201.

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

It is a cyclic number.

It is not a de Polignac number, because 102010100219 - 2²⁸ = 101741664763 is a prime.

It is a super-2 number, since 2×102010100219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010100197 and 102010100206.

It is not an unprimeable number, because it can be changed into a prime (102010100249) 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, 14523704 + ... + 14530725.

It is an arithmetic number, because the mean of its divisors is an integer number (25509789540).

Almost surely, 2^102010100219 is an apocalyptic number.

102010100219 is a deficient number, since it is larger than the sum of its proper divisors (29057941).

102010100219 is an equidigital number, since it uses as much as digits as its factorization.

102010100219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29057940.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 102010100219 in words is "one hundred two billion, ten million, one hundred thousand, two hundred nineteen".