211032321113 has 2 divisors, whose sum is σ = 211032321114. Its totient is φ = 211032321112.

The previous prime is 211032321109. The next prime is 211032321121. The reversal of 211032321113 is 311123230112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204799692304 + 6232628809 = 452548^2 + 78947^2 .

It is a cyclic number.

It is not a de Polignac number, because 211032321113 - 2² = 211032321109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (211032321163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105516160556 + 105516160557.

It is an arithmetic number, because the mean of its divisors is an integer number (105516160557).

Almost surely, 2^211032321113 is an apocalyptic number.

It is an amenable number.

211032321113 is a deficient number, since it is larger than the sum of its proper divisors (1).

211032321113 is an equidigital number, since it uses as much as digits as its factorization.

211032321113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211032321113 its reverse (311123230112), we get a palindrome (522155551225).

The spelling of 211032321113 in words is "two hundred eleven billion, thirty-two million, three hundred twenty-one thousand, one hundred thirteen".