23210011211 has 2 divisors, whose sum is σ = 23210011212. Its totient is φ = 23210011210.

The previous prime is 23210011199. The next prime is 23210011213. The reversal of 23210011211 is 11211001232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23210011211 is a prime.

Together with 23210011213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23210011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605005605 + 11605005606.

It is an arithmetic number, because the mean of its divisors is an integer number (11605005606).

Almost surely, 2^23210011211 is an apocalyptic number.

23210011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210011211 is an equidigital number, since it uses as much as digits as its factorization.

23210011211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23210011211 its reverse (11211001232), we get a palindrome (34421012443).

The spelling of 23210011211 in words is "twenty-three billion, two hundred ten million, eleven thousand, two hundred eleven".