212111020219 has 12 divisors (see below), whose sum is σ = 255249716400. Its totient is φ = 175540153488.

The previous prime is 212111020201. The next prime is 212111020237. The reversal of 212111020219 is 912020111212.

212111020219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212111020201) and next prime (212111020237).

It is not a de Polignac number, because 212111020219 - 2¹³ = 212111012027 is a prime.

It is a super-2 number, since 2×212111020219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212111020219.

It is not an unprimeable number, because it can be changed into a prime (212111020259) 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 11 ways as a sum of consecutive naturals, for example, 74632999 + ... + 74635840.

It is an arithmetic number, because the mean of its divisors is an integer number (21270809700).

Almost surely, 2^212111020219 is an apocalyptic number.

212111020219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

212111020219 is a deficient number, since it is larger than the sum of its proper divisors (43138696181).

212111020219 is a wasteful number, since it uses less digits than its factorization.

212111020219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149268882 (or 149268875 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 212111020219 in words is "two hundred twelve billion, one hundred eleven million, twenty thousand, two hundred nineteen".