2124221219 has 2 divisors, whose sum is σ = 2124221220. Its totient is φ = 2124221218.

The previous prime is 2124221201. The next prime is 2124221237. The reversal of 2124221219 is 9121224212.

It is a balanced prime because it is at equal distance from previous prime (2124221201) and next prime (2124221237).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124221219 is a prime.

It is a super-2 number, since 2×2124221219² = 9024631574499691922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2124221119) 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 as a sum of consecutive naturals, namely, 1062110609 + 1062110610.

It is an arithmetic number, because the mean of its divisors is an integer number (1062110610).

Almost surely, 2^2124221219 is an apocalyptic number.

2124221219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124221219 is an equidigital number, since it uses as much as digits as its factorization.

2124221219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 2124221219 is about 46089.2744464480. The cubic root of 2124221219 is about 1285.4837200410.

The spelling of 2124221219 in words is "two billion, one hundred twenty-four million, two hundred twenty-one thousand, two hundred nineteen".