211131033121211 has 32 divisors (see below), whose sum is σ = 249198087290880. Its totient is φ = 175046076691200.

The previous prime is 211131033121171. The next prime is 211131033121213. The reversal of 211131033121211 is 112121330131112.

It is not a de Polignac number, because 211131033121211 - 2⁶ = 211131033121147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211131033121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6414025925 + ... + 6414058841.

It is an arithmetic number, because the mean of its divisors is an integer number (7787440227840).

Almost surely, 2^{211131033121211} is an apocalyptic number.

211131033121211 is a deficient number, since it is larger than the sum of its proper divisors (38067054169669).

211131033121211 is a wasteful number, since it uses less digits than its factorization.

211131033121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46515.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 211131033121211 its reverse (112121330131112), we get a palindrome (323252363252323).

The spelling of 211131033121211 in words is "two hundred eleven trillion, one hundred thirty-one billion, thirty-three million, one hundred twenty-one thousand, two hundred eleven".