211322042219 has 4 divisors (see below), whose sum is σ = 211399765440. Its totient is φ = 211244319000.

The previous prime is 211322042207. The next prime is 211322042221. The reversal of 211322042219 is 912240223112.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211322042219 is a prime.

It is a super-2 number, since 2×211322042219² (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 = 211322042191 and 211322042200.

It is not an unprimeable number, because it can be changed into a prime (211322042249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38857532 + ... + 38862969.

It is an arithmetic number, because the mean of its divisors is an integer number (52849941360).

Almost surely, 2^211322042219 is an apocalyptic number.

211322042219 is a deficient number, since it is larger than the sum of its proper divisors (77723221).

211322042219 is an equidigital number, since it uses as much as digits as its factorization.

211322042219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77723220.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 211322042219 in words is "two hundred eleven billion, three hundred twenty-two million, forty-two thousand, two hundred nineteen".