212011033311 has 64 divisors (see below), whose sum is σ = 391918141440. Its totient is φ = 110044228320.

The previous prime is 212011033307. The next prime is 212011033313. The reversal of 212011033311 is 113330110212.

212011033311 is a `hidden beast` number, since 212 + 0 + 110 + 33 + 311 = 666.

It is not a de Polignac number, because 212011033311 - 2² = 212011033307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011033313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2500926 + ... + 2584308.

It is an arithmetic number, because the mean of its divisors is an integer number (6123720960).

Almost surely, 2^212011033311 is an apocalyptic number.

212011033311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212011033311 is a deficient number, since it is larger than the sum of its proper divisors (179907108129).

212011033311 is a wasteful number, since it uses less digits than its factorization.

212011033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84633 (or 84627 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 212011033311 its reverse (113330110212), we get a palindrome (325341143523).

The spelling of 212011033311 in words is "two hundred twelve billion, eleven million, thirty-three thousand, three hundred eleven".