21133303204413 has 8 divisors (see below), whose sum is σ = 28258941462048. Its totient is φ = 14048266874864.

The previous prime is 21133303204397. The next prime is 21133303204423. The reversal of 21133303204413 is 31440230333112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21133303204413 - 2⁴ = 21133303204397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133303204423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10150480806 + ... + 10150482887.

It is an arithmetic number, because the mean of its divisors is an integer number (3532367682756).

Almost surely, 2^{21133303204413} is an apocalyptic number.

It is an amenable number.

21133303204413 is a deficient number, since it is larger than the sum of its proper divisors (7125638257635).

21133303204413 is a wasteful number, since it uses less digits than its factorization.

21133303204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20300964043.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 21133303204413 its reverse (31440230333112), we get a palindrome (52573533537525).

The spelling of 21133303204413 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred three million, two hundred four thousand, four hundred thirteen".