212031020331111 has 8 divisors (see below), whose sum is σ = 282788182502784. Its totient is φ = 141313935856760.

The previous prime is 212031020331107. The next prime is 212031020331139. The reversal of 212031020331111 is 111133020130212.

212031020331111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212031020331111 - 2² = 212031020331107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031020336111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10019411985 + ... + 10019433146.

It is an arithmetic number, because the mean of its divisors is an integer number (35348522812848).

Almost surely, 2^{212031020331111} is an apocalyptic number.

212031020331111 is a deficient number, since it is larger than the sum of its proper divisors (70757162171673).

212031020331111 is a wasteful number, since it uses less digits than its factorization.

212031020331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038848661.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 212031020331111 its reverse (111133020130212), we get a palindrome (323164040461323).

The spelling of 212031020331111 in words is "two hundred twelve trillion, thirty-one billion, twenty million, three hundred thirty-one thousand, one hundred eleven".