23311210011211 has 2 divisors, whose sum is σ = 23311210011212. Its totient is φ = 23311210011210.

The previous prime is 23311210011209. The next prime is 23311210011227. The reversal of 23311210011211 is 11211001211332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23311210011211 - 2¹ = 23311210011209 is a prime.

Together with 23311210011209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23311210311211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655605005605 + 11655605005606.

It is an arithmetic number, because the mean of its divisors is an integer number (11655605005606).

Almost surely, 2^{23311210011211} is an apocalyptic number.

23311210011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311210011211 is an equidigital number, since it uses as much as digits as its factorization.

23311210011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 23311210011211 its reverse (11211001211332), we get a palindrome (34522211222543).

The spelling of 23311210011211 in words is "twenty-three trillion, three hundred eleven billion, two hundred ten million, eleven thousand, two hundred eleven".