212021113219 has 4 divisors (see below), whose sum is σ = 218860504000. Its totient is φ = 205181722440.

The previous prime is 212021113193. The next prime is 212021113223. The reversal of 212021113219 is 912311120212.

212021113219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212021113219 - 2¹⁹ = 212020588931 is a prime.

It is a super-2 number, since 2×212021113219² (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 = 212021113193 and 212021113202.

It is not an unprimeable number, because it can be changed into a prime (212021113229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419695344 + ... + 3419695405.

It is an arithmetic number, because the mean of its divisors is an integer number (54715126000).

Almost surely, 2^212021113219 is an apocalyptic number.

212021113219 is a deficient number, since it is larger than the sum of its proper divisors (6839390781).

212021113219 is an equidigital number, since it uses as much as digits as its factorization.

212021113219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6839390780.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 212021113219 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, two hundred nineteen".