21110032233211 has 2 divisors, whose sum is σ = 21110032233212. Its totient is φ = 21110032233210.

The previous prime is 21110032233209. The next prime is 21110032233259. The reversal of 21110032233211 is 11233223001112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21110032233211 - 2¹ = 21110032233209 is a prime.

Together with 21110032233209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (21110032233911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555016116605 + 10555016116606.

It is an arithmetic number, because the mean of its divisors is an integer number (10555016116606).

Almost surely, 2^{21110032233211} is an apocalyptic number.

21110032233211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110032233211 is an equidigital number, since it uses as much as digits as its factorization.

21110032233211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21110032233211 its reverse (11233223001112), we get a palindrome (32343255234323).

The spelling of 21110032233211 in words is "twenty-one trillion, one hundred ten billion, thirty-two million, two hundred thirty-three thousand, two hundred eleven".