21330211313033 has 32 divisors (see below), whose sum is σ = 25790563524096. Its totient is φ = 17245324597248.

The previous prime is 21330211312999. The next prime is 21330211313041. The reversal of 21330211313033 is 33031311203312.

It is a cyclic number.

It is not a de Polignac number, because 21330211313033 - 2¹⁰ = 21330211312009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21330211312993 and 21330211313011.

It is not an unprimeable number, because it can be changed into a prime (21330211313633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63498485 + ... + 63833517.

It is an arithmetic number, because the mean of its divisors is an integer number (805955110128).

Almost surely, 2^{21330211313033} is an apocalyptic number.

21330211313033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21330211313033 is a deficient number, since it is larger than the sum of its proper divisors (4460352211063).

21330211313033 is a wasteful number, since it uses less digits than its factorization.

21330211313033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340553.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 21330211313033 its reverse (33031311203312), we get a palindrome (54361522516345).

The spelling of 21330211313033 in words is "twenty-one trillion, three hundred thirty billion, two hundred eleven million, three hundred thirteen thousand, thirty-three".