21033142219 has 2 divisors, whose sum is σ = 21033142220. Its totient is φ = 21033142218.

The previous prime is 21033142201. The next prime is 21033142259. The reversal of 21033142219 is 91224133012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21033142219 - 2¹³ = 21033134027 is a prime.

It is a super-2 number, since 2×21033142219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21033142259) 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 as a sum of consecutive naturals, namely, 10516571109 + 10516571110.

It is an arithmetic number, because the mean of its divisors is an integer number (10516571110).

Almost surely, 2^21033142219 is an apocalyptic number.

21033142219 is a deficient number, since it is larger than the sum of its proper divisors (1).

21033142219 is an equidigital number, since it uses as much as digits as its factorization.

21033142219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 21033142219 in words is "twenty-one billion, thirty-three million, one hundred forty-two thousand, two hundred nineteen".