21133322219 has 2 divisors, whose sum is σ = 21133322220. Its totient is φ = 21133322218.

The previous prime is 21133322209. The next prime is 21133322233. The reversal of 21133322219 is 91222333112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21133322219 is a prime.

It is a super-2 number, since 2×21133322219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21133322191 and 21133322200.

It is not a weakly prime, because it can be changed into another prime (21133322209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566661109 + 10566661110.

It is an arithmetic number, because the mean of its divisors is an integer number (10566661110).

Almost surely, 2^21133322219 is an apocalyptic number.

21133322219 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133322219 is an equidigital number, since it uses as much as digits as its factorization.

21133322219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The spelling of 21133322219 in words is "twenty-one billion, one hundred thirty-three million, three hundred twenty-two thousand, two hundred nineteen".