20101010219 has 2 divisors, whose sum is σ = 20101010220. Its totient is φ = 20101010218.

The previous prime is 20101010213. The next prime is 20101010227. The reversal of 20101010219 is 91201010102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20101010219 - 2²⁴ = 20084233003 is a prime.

It is a super-2 number, since 2×20101010219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20101010197 and 20101010206.

It is not a weakly prime, because it can be changed into another prime (20101010213) 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 as a sum of consecutive naturals, namely, 10050505109 + 10050505110.

It is an arithmetic number, because the mean of its divisors is an integer number (10050505110).

Almost surely, 2^20101010219 is an apocalyptic number.

20101010219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101010219 is an equidigital number, since it uses as much as digits as its factorization.

20101010219 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 20101010219 in words is "twenty billion, one hundred one million, ten thousand, two hundred nineteen".