212021201110219 has 4 divisors (see below), whose sum is σ = 212027547373720. Its totient is φ = 212014854846720.

The previous prime is 212021201110217. The next prime is 212021201110283. The reversal of 212021201110219 is 912011102120212.

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 212021201110219 - 2¹ = 212021201110217 is a prime.

It is a super-2 number, since 2×212021201110219² (a number of 29 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 = 212021201110193 and 212021201110202.

It is not an unprimeable number, because it can be changed into a prime (212021201110217) 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 3 ways as a sum of consecutive naturals, for example, 3173081637 + ... + 3173148454.

It is an arithmetic number, because the mean of its divisors is an integer number (53006886843430).

Almost surely, 2^{212021201110219} is an apocalyptic number.

212021201110219 is a deficient number, since it is larger than the sum of its proper divisors (6346263501).

212021201110219 is an equidigital number, since it uses as much as digits as its factorization.

212021201110219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346263500.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 212021201110219 in words is "two hundred twelve trillion, twenty-one billion, two hundred one million, one hundred ten thousand, two hundred nineteen".