212101033311 has 24 divisors (see below), whose sum is σ = 324067831776. Its totient is φ = 133400044800.

The previous prime is 212101033303. The next prime is 212101033351. The reversal of 212101033311 is 113330101212.

212101033311 is a `hidden beast` number, since 21 + 210 + 103 + 331 + 1 = 666.

It is not a de Polignac number, because 212101033311 - 2³ = 212101033303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101033351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7002990 + ... + 7033211.

It is an arithmetic number, because the mean of its divisors is an integer number (13502826324).

Almost surely, 2^212101033311 is an apocalyptic number.

212101033311 is a deficient number, since it is larger than the sum of its proper divisors (111966798465).

212101033311 is a wasteful number, since it uses less digits than its factorization.

212101033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14036303 (or 14036300 counting only the distinct ones).

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

Adding to 212101033311 its reverse (113330101212), we get a palindrome (325431134523).

The spelling of 212101033311 in words is "two hundred twelve billion, one hundred one million, thirty-three thousand, three hundred eleven".