21233002302011 has 4 divisors (see below), whose sum is σ = 21581084307024. Its totient is φ = 20884920297000.

The previous prime is 21233002301971. The next prime is 21233002302019. The reversal of 21233002302011 is 11020320033212.

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 21233002302011 - 2³⁸ = 20958124395067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233002302019) 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, 174041002415 + ... + 174041002536.

It is an arithmetic number, because the mean of its divisors is an integer number (5395271076756).

Almost surely, 2^{21233002302011} is an apocalyptic number.

21233002302011 is a deficient number, since it is larger than the sum of its proper divisors (348082005013).

21233002302011 is an equidigital number, since it uses as much as digits as its factorization.

21233002302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348082005012.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21233002302011 its reverse (11020320033212), we get a palindrome (32253322335223).

The spelling of 21233002302011 in words is "twenty-one trillion, two hundred thirty-three billion, two million, three hundred two thousand, eleven".