21034443041033 has 4 divisors (see below), whose sum is σ = 21076596234000. Its totient is φ = 20992289848068.

The previous prime is 21034443041023. The next prime is 21034443041057. The reversal of 21034443041033 is 33014034443012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21034443041033 - 2¹⁴ = 21034443024649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21034443041023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21076595735 + ... + 21076596732.

It is an arithmetic number, because the mean of its divisors is an integer number (5269149058500).

Almost surely, 2^{21034443041033} is an apocalyptic number.

It is an amenable number.

21034443041033 is a deficient number, since it is larger than the sum of its proper divisors (42153192967).

21034443041033 is an equidigital number, since it uses as much as digits as its factorization.

21034443041033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42153192966.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21034443041033 its reverse (33014034443012), we get a palindrome (54048477484045).

The spelling of 21034443041033 in words is "twenty-one trillion, thirty-four billion, four hundred forty-three million, forty-one thousand, thirty-three".