212101011019 has 2 divisors, whose sum is σ = 212101011020. Its totient is φ = 212101011018.

The previous prime is 212101010999. The next prime is 212101011041. The reversal of 212101011019 is 910110101212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212101011019 - 2¹¹ = 212101008971 is a prime.

It is a super-2 number, since 2×212101011019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212101010987 and 212101011005.

It is not a weakly prime, because it can be changed into another prime (212101011049) 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, 106050505509 + 106050505510.

It is an arithmetic number, because the mean of its divisors is an integer number (106050505510).

Almost surely, 2^212101011019 is an apocalyptic number.

212101011019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101011019 is an equidigital number, since it uses as much as digits as its factorization.

212101011019 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 19.

The spelling of 212101011019 in words is "two hundred twelve billion, one hundred one million, eleven thousand, nineteen".