211110321011 has 2 divisors, whose sum is σ = 211110321012. Its totient is φ = 211110321010.

The previous prime is 211110320963. The next prime is 211110321109. The reversal of 211110321011 is 110123011112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211110321011 - 2¹⁴ = 211110304627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (211110320011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555160505 + 105555160506.

It is an arithmetic number, because the mean of its divisors is an integer number (105555160506).

Almost surely, 2^211110321011 is an apocalyptic number.

211110321011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211110321011 is an equidigital number, since it uses as much as digits as its factorization.

211110321011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 211110321011 its reverse (110123011112), we get a palindrome (321233332123).

The spelling of 211110321011 in words is "two hundred eleven billion, one hundred ten million, three hundred twenty-one thousand, eleven".