211232311011211 has 16 divisors (see below), whose sum is σ = 255609782930880. Its totient is φ = 170405273963520.

The previous prime is 211232311011209. The next prime is 211232311011251. The reversal of 211232311011211 is 112110113232112.

It is a cyclic number.

It is not a de Polignac number, because 211232311011211 - 2¹ = 211232311011209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211232311011251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30884125 + ... + 37098433.

It is an arithmetic number, because the mean of its divisors is an integer number (15975611433180).

Almost surely, 2^{211232311011211} is an apocalyptic number.

211232311011211 is a deficient number, since it is larger than the sum of its proper divisors (44377471919669).

211232311011211 is a wasteful number, since it uses less digits than its factorization.

211232311011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499974.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 211232311011211 its reverse (112110113232112), we get a palindrome (323342424243323).

The spelling of 211232311011211 in words is "two hundred eleven trillion, two hundred thirty-two billion, three hundred eleven million, eleven thousand, two hundred eleven".