211105321033 has 4 divisors (see below), whose sum is σ = 211178043648. Its totient is φ = 211032598420.

The previous prime is 211105320971. The next prime is 211105321057. The reversal of 211105321033 is 330123501112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211105321033 - 2⁹ = 211105320521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211105320995 and 211105321013.

It is not an unprimeable number, because it can be changed into a prime (211105322033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36356953 + ... + 36362758.

It is an arithmetic number, because the mean of its divisors is an integer number (52794510912).

Almost surely, 2^211105321033 is an apocalyptic number.

It is an amenable number.

211105321033 is a deficient number, since it is larger than the sum of its proper divisors (72722615).

211105321033 is an equidigital number, since it uses as much as digits as its factorization.

211105321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72722614.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 211105321033 its reverse (330123501112), we get a palindrome (541228822145).

The spelling of 211105321033 in words is "two hundred eleven billion, one hundred five million, three hundred twenty-one thousand, thirty-three".