221010212219 has 2 divisors, whose sum is σ = 221010212220. Its totient is φ = 221010212218.

The previous prime is 221010212207. The next prime is 221010212231. The reversal of 221010212219 is 912212010122.

It is a balanced prime because it is at equal distance from previous prime (221010212207) and next prime (221010212231).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221010212219 is a prime.

It is a super-2 number, since 2×221010212219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221010212194 and 221010212203.

It is not a weakly prime, because it can be changed into another prime (221010812219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505106109 + 110505106110.

It is an arithmetic number, because the mean of its divisors is an integer number (110505106110).

Almost surely, 2^221010212219 is an apocalyptic number.

221010212219 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010212219 is an equidigital number, since it uses as much as digits as its factorization.

221010212219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 221010212219 in words is "two hundred twenty-one billion, ten million, two hundred twelve thousand, two hundred nineteen".