100020212120219 has 2 divisors, whose sum is σ = 100020212120220. Its totient is φ = 100020212120218.

The previous prime is 100020212120209. The next prime is 100020212120263. The reversal of 100020212120219 is 912021212020001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100020212120219 is a prime.

It is a super-2 number, since 2×100020212120219² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100020212120194 and 100020212120203.

It is not a weakly prime, because it can be changed into another prime (100020212120209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010106060109 + 50010106060110.

It is an arithmetic number, because the mean of its divisors is an integer number (50010106060110).

Almost surely, 2^{100020212120219} is an apocalyptic number.

100020212120219 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020212120219 is an equidigital number, since it uses as much as digits as its factorization.

100020212120219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 100020212120219 in words is "one hundred trillion, twenty billion, two hundred twelve million, one hundred twenty thousand, two hundred nineteen".