212122202101011 has 80 divisors (see below), whose sum is σ = 338876521484160. Its totient is φ = 131837194494720.

The previous prime is 212122202100989. The next prime is 212122202101039. The reversal of 212122202101011 is 110101202221212.

212122202101011 is a `hidden beast` number, since 2 + 1 + 212 + 220 + 210 + 10 + 11 = 666.

It is not a de Polignac number, because 212122202101011 - 2¹⁴ = 212122202084627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212122202111011) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 99688596 + ... + 101794206.

It is an arithmetic number, because the mean of its divisors is an integer number (4235956518552).

Almost surely, 2^{212122202101011} is an apocalyptic number.

212122202101011 is a deficient number, since it is larger than the sum of its proper divisors (126754319383149).

212122202101011 is a wasteful number, since it uses less digits than its factorization.

212122202101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106686 (or 2106677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212122202101011 its reverse (110101202221212), we get a palindrome (322223404322223).

The spelling of 212122202101011 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred two million, one hundred one thousand, eleven".