211232011 has 2 divisors, whose sum is σ = 211232012. Its totient is φ = 211232010.

The previous prime is 211231973. The next prime is 211232051. The reversal of 211232011 is 110232112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211232011 - 2⁷ = 211231883 is a prime.

It is a super-2 number, since 2×211232011² = 89237924942208242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211231982 and 211232000.

It is not a weakly prime, because it can be changed into another prime (211232051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616005 + 105616006.

It is an arithmetic number, because the mean of its divisors is an integer number (105616006).

Almost surely, 2^211232011 is an apocalyptic number.

211232011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211232011 is an equidigital number, since it uses as much as digits as its factorization.

211232011 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 13.

The square root of 211232011 is about 14533.8230001607. The cubic root of 211232011 is about 595.5523068804.

Adding to 211232011 its reverse (110232112), we get a palindrome (321464123).

The spelling of 211232011 in words is "two hundred eleven million, two hundred thirty-two thousand, eleven".