21211330003233 has 16 divisors (see below), whose sum is σ = 29736693651456. Its totient is φ = 13422813095120.

The previous prime is 21211330003207. The next prime is 21211330003267. The reversal of 21211330003233 is 33230003311212.

It is a cyclic number.

It is not a de Polignac number, because 21211330003233 - 2³⁸ = 20936452096289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21211330003273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173313785 + ... + 1173331862.

It is an arithmetic number, because the mean of its divisors is an integer number (1858543353216).

Almost surely, 2^{21211330003233} is an apocalyptic number.

21211330003233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21211330003233 is a deficient number, since it is larger than the sum of its proper divisors (8525363648223).

21211330003233 is a wasteful number, since it uses less digits than its factorization.

21211330003233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346645804.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21211330003233 its reverse (33230003311212), we get a palindrome (54441333314445).

The spelling of 21211330003233 in words is "twenty-one trillion, two hundred eleven billion, three hundred thirty million, three thousand, two hundred thirty-three".