212110122211101 has 32 divisors (see below), whose sum is σ = 314777895507840. Its totient is φ = 141163616246400.

The previous prime is 212110122211067. The next prime is 212110122211111. The reversal of 212110122211101 is 101112221011212.

It is a happy number.

212110122211101 is a `hidden beast` number, since 21 + 211 + 0 + 122 + 211 + 101 = 666.

It is not a de Polignac number, because 212110122211101 - 2⁶ = 212110122211037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110122211111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41778246 + ... + 46579416.

It is an arithmetic number, because the mean of its divisors is an integer number (9836809234620).

Almost surely, 2^{212110122211101} is an apocalyptic number.

It is an amenable number.

212110122211101 is a deficient number, since it is larger than the sum of its proper divisors (102667773296739).

212110122211101 is a wasteful number, since it uses less digits than its factorization.

212110122211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803994 (or 4803988 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212110122211101 its reverse (101112221011212), we get a palindrome (313222343222313).

The spelling of 212110122211101 in words is "two hundred twelve trillion, one hundred ten billion, one hundred twenty-two million, two hundred eleven thousand, one hundred one".