23321221311211 has 2 divisors, whose sum is σ = 23321221311212. Its totient is φ = 23321221311210.

The previous prime is 23321221311163. The next prime is 23321221311247. The reversal of 23321221311211 is 11211312212332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23321221311211 - 2¹³ = 23321221303019 is a prime.

It is a super-2 number, since 2×23321221311211² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23321221311511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660610655605 + 11660610655606.

It is an arithmetic number, because the mean of its divisors is an integer number (11660610655606).

Almost surely, 2^{23321221311211} is an apocalyptic number.

23321221311211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321221311211 is an equidigital number, since it uses as much as digits as its factorization.

23321221311211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

Adding to 23321221311211 its reverse (11211312212332), we get a palindrome (34532533523543).

The spelling of 23321221311211 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred eleven thousand, two hundred eleven".