21210302333219 has 4 divisors (see below), whose sum is σ = 21478787172960. Its totient is φ = 20941817493480.

The previous prime is 21210302333179. The next prime is 21210302333347. The reversal of 21210302333219 is 91233320301212.

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

It is a cyclic number.

It is not a de Polignac number, because 21210302333219 - 2⁸ = 21210302332963 is a prime.

It is a super-2 number, since 2×21210302333219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21210302338219) 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 in 3 ways as a sum of consecutive naturals, for example, 134242419752 + ... + 134242419909.

It is an arithmetic number, because the mean of its divisors is an integer number (5369696793240).

Almost surely, 2^{21210302333219} is an apocalyptic number.

21210302333219 is a deficient number, since it is larger than the sum of its proper divisors (268484839741).

21210302333219 is an equidigital number, since it uses as much as digits as its factorization.

21210302333219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268484839740.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 21210302333219 in words is "twenty-one trillion, two hundred ten billion, three hundred two million, three hundred thirty-three thousand, two hundred nineteen".