21133332301303 has 4 divisors (see below), whose sum is σ = 22245612948760. Its totient is φ = 20021051653848.

The previous prime is 21133332301271. The next prime is 21133332301309. The reversal of 21133332301303 is 30310323333112.

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 21133332301303 - 2⁵ = 21133332301271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133332301309) 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, 556140323700 + ... + 556140323737.

It is an arithmetic number, because the mean of its divisors is an integer number (5561403237190).

Almost surely, 2^{21133332301303} is an apocalyptic number.

21133332301303 is a deficient number, since it is larger than the sum of its proper divisors (1112280647457).

21133332301303 is a wasteful number, since it uses less digits than its factorization.

21133332301303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112280647456.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 21133332301303 its reverse (30310323333112), we get a palindrome (51443655634415).

The spelling of 21133332301303 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred thirty-two million, three hundred one thousand, three hundred three".