21334210242033 has 64 divisors (see below), whose sum is σ = 32519815759872. Its totient is φ = 12324449080320.

The previous prime is 21334210241983. The next prime is 21334210242047. The reversal of 21334210242033 is 33024201243312.

It is a happy number.

It is not a de Polignac number, because 21334210242033 - 2²⁵ = 21334176687601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21334210242053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1025327716 + ... + 1025348522.

It is an arithmetic number, because the mean of its divisors is an integer number (508122121248).

Almost surely, 2^{21334210242033} is an apocalyptic number.

It is an amenable number.

21334210242033 is a deficient number, since it is larger than the sum of its proper divisors (11185605517839).

21334210242033 is a wasteful number, since it uses less digits than its factorization.

21334210242033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24774.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 21334210242033 its reverse (33024201243312), we get a palindrome (54358411485345).

The spelling of 21334210242033 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, two hundred forty-two thousand, thirty-three".