211321033255 has 16 divisors (see below), whose sum is σ = 282633706080. Its totient is φ = 150737974272.

The previous prime is 211321033243. The next prime is 211321033267. The reversal of 211321033255 is 552330123112.

211321033255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211321033243) and next prime (211321033267).

It is a cyclic number.

It is not a de Polignac number, because 211321033255 - 2⁹ = 211321032743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65422854 + ... + 65426083.

It is an arithmetic number, because the mean of its divisors is an integer number (17664606630).

Almost surely, 2^211321033255 is an apocalyptic number.

211321033255 is a deficient number, since it is larger than the sum of its proper divisors (71312672825).

211321033255 is a wasteful number, since it uses less digits than its factorization.

211321033255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130848978.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 211321033255 its reverse (552330123112), we get a palindrome (763651156367).

The spelling of 211321033255 in words is "two hundred eleven billion, three hundred twenty-one million, thirty-three thousand, two hundred fifty-five".